Jang Uk quits his monk master and threatens a refund
Fed up with sharpening swords and never learning a spell, Uk walks out on Monk Ho-yeong, and answers an insult about his birth with a creditor's threat.
Jang Uk
Every Alchemy of Souls moment featuring Jang Uk, in story order. Played by Lee Jae-wook.
376 moments · 14h 31m
The Four Seasons of Daeho arrive
Mu-deok learns of the four famed young heirs of the Jin, Park, Seo and Jang families, and quietly swears they will all die.
Dang-gu finds runaway Uk eating crab at the brothel
Dang-gu tracks down Uk, who wants his friend to crack crab shells with a spell, and shares a rumor that Naksu may still be alive.
Mu-deok's escape ends at Uk's crab leg
Caught stealing jewelry when Ju-wol realizes she can see, Mu-deok flees across the roofs and crashes into Uk, who praises her eyes and hands her his plaque.
Dang-gu explains Tansu with a crab leg
Uk asks about Naksu's sword technique; Dang-gu explains Tansu, and Uk realizes the girl went for his vital point in one move.
Uk's bathwater torment
Uk sends Mu-deok back and forth: too hot, too cold, smelly water, bad food, the wrong blanket.
Mu-deok and the bath that suddenly turns just right
Swearing Uk will be her first victim, Mu-deok wishes for a scrap of her old power, something stirs, and suddenly his bath is just right.
Uk demands the right to learn spells
Unable to draw his father's sword because of the spell on him, Uk is told no one will open his gate of energy, and vows to find a master himself.
Caught in Uk's bed, Mu-deok keeps the brazier burning
Hunting for the Spirit Plaque, Mu-deok hides in Uk's bed, claims she was warming it, and fears he wants her there all night. He only wants the brazier.
Uk recognizes the whistle he made
Uk shows Dang-gu the bird whistle found on an unexpected person and insists he remembers exactly who he gave it to.
Uk names her Naksu and asks her to be his master
Uk finds Mu-deok in the chaos, says her eyes gave her away, and wants the soul-shifting assassin to break his spell and teach him. She spares him.
Uk spots the soul shifter's mark in Mu-deok's eyes
After twelve failed masters, Uk explains how he knew her: the blue mark is in her eyes. He offers to hide her if she plays his servant.
Yul finds Uk and his 'maid' hiding in Jeongjingak
Yul's blade finds the pair; Uk passes Mu-deok off as his maid, she grips the blade to protect him, and Uk scolds her glare.
Uk asks whether Naksu had a round face like Mu-deok
Naksu's body is gone and a spy is suspected; Uk teases Mu-deok while the others discuss how soul shifters pick similar bodies.
In the secret room, Uk calls her Naksu
Where her body was kept frozen, Uk names Mu-deok as the Shadow Assassin, laughs off a crush, and asks her to break his spell as his master.
Uk locks them in to force a deal
Mu-deok refuses and threatens to kill him; Uk reveals they are sealed in Songrim's secret room, so she needs him to get out.
Tangled on the collapsing floor
Mu-deok admits she needs her sword's energy to open his gate, Uk turns out to have lied, and both end up clinging to each other on a trap floor.
Cho-yeon arrives with Gwigu to hunt a soul shifter
Everyone in Songrim is gathered and locked in while Jin Cho-yeon brings Gwigu, the Jin family's ghost dog that sniffs out sorcery.
Gwigu catches a soul shifter, who turns to stone
Gwigu circles the room as Mu-deok waits to be exposed beside Uk, then lunges at another man who is a soul shifter and petrifies.
Uk and Cho-yeon, awkward exes
The Four Seasons are together again for the first time since Uk and Cho-yeon called off their wedding, and it shows.
Uk shows Mu-deok how close is too close
Uk catches Mu-deok slipping away, warns her about her glare, and leans in to show when the mark in her eyes becomes visible.
Uk breaks the Jin family heirloom
Gwigu turns up, Uk tells Mu-deok to run, and Cho-yeon finds her family's heirloom pottery smashed in his hands.
Uk is frozen in place as punishment
Mu-deok learns he broke the pottery to save her; the Songrim leader confronts Uk and forbids him from moving or speaking.
Mu-deok's goodbye to the frozen Uk
Mu-deok brings tea to the punished Uk, thanks the first person who ever tried to save her, and promises to spare him.
Uk demands Naksu's sword from Jin Mu
Uk claims the sword in his father's name; Jin Mu says an ordinary man cannot even draw it, and Uk lets a pointed 'for now' hang.
Mu-deok watches her own body burn and finds the Danju
As Naksu's body burns before Cheonbugwan, she recognizes the Danju as Jin Mu and remembers the fire that took her family.
Too weak to draw her own sword
Uk brings Naksu's sword, but Mu-deok cannot pull it free; he tells her to live as Mu-deok, she says she would rather die, and he lets her go.
Uk races to the lake after Mu-deok
Mu-deok stands at the soul shifters' grave by the lake calling it hers too; Uk hears she headed for the lake and runs there shouting her name.
Mu-deok wakes in Sejukwon with a new idea
Uk got her treated and given eye drops; Mu-deok realizes the lake restored her power, so she needs someone with energy that strong.
Mu-deok poisons Uk to open his gate
She asks Uk to risk his life for her once more, gives him a poisonous herb, and promises to be his master if he survives.
Six hours to live, and Mu-deok won't talk
Uk collapses; the only cure is to open his gate of energy. Mu-deok is tortured but keeps silent until Master Heo opens it.
Uk survives and runs to his crazy master
Uk wakes with his gate of energy open, finds the beaten Mu-deok, and the two finally become master and pupil.
Uk takes the blame for his own poisoning
Uk tells the Songrim leader he poisoned himself and his maid only obeyed, then refuses treatment unless Mu-deok is treated too.
Uk won't let Yul carry his maid
Too weak to carry Mu-deok himself, Uk refuses to let Yul do it, hands her to Maidservant Kim and leans on Yul instead.
Uk nurses Mu-deok in secret
Mu-deok explains why she took the blame; Uk reveals he has been tending her himself so no mage sees her eyes, and thanks her for risking her life.
Uk kneels and swears himself to his master
Mu-deok sets her terms: secrecy, and the bond ends once she is Naksu again. Uk accepts and vows to serve and protect her.
Mu-deok remembers being Naksu, then gets a cramp
On the frozen lake, Mu-deok explains the three steps of a mage and relives her glory as the Shadow Assassin, until her new legs give out.
First sparring lesson: Uk can't fight
Mu-deok tests her pupil with sticks and finds no swordsmanship; Uk vows to beat his father's one-year record for Jipsu.
Uk refuses to help sweep the yard
Asked to help with chores, Uk cites his own laziness and leaves Mu-deok fuming with a broom.
Uk talks Maidservant Kim into drinking his ginseng
Kim sulks that Uk saves everything for Mu-deok; he flatters her into keeping the wild ginseng tea and brags about joining Songrim.
Mu-deok finds a torrent of energy inside Uk
Mu-deok grabs Uk to his loud protest, checks his core, and discovers Heo Yeom left a great torrent of energy in him.
The plan to steal Heo Yeom's breathing through Yul
To keep the energy Uk must learn Heo Yeom's breathing, used by the whole Seo family, so Yul it is. Uk gets oddly upset she won't touch Yul as easily.
Mu-deok roasts Uk, and Dang-gu decides she likes Yul
Dang-gu catches them spying; Mu-deok lists every complaint about her fickle young master, and Uk pins a crush on Yul to cover it.
Uk buys off Heo Yeom with dark wine
Called in to have his energy taken back, Uk apologizes for the goats in the herb garden and presents rare wine, then more bottles.
Heo Yeom tells Uk about his mother
Over wine, Heo Yeom says Do-hwa was like a daughter to him and tells Uk to remember her kindness and ignore the gossip.
Only Uk gets this close
Both bring back the breathing technique, the energy stirs in Uk, and he warns Mu-deok about her eyes and who she lets near.
Uk is banished from Songrim
Uk asks to join Songrim and offers Naksu's sword; instead he is banished and, for losing the Spirit Plaque, sentenced to a hundred lashes.
The hundredth lash
After 99 lashes Uk refuses to leave, demands the leader deliver the last one himself, then has Mu-deok take the sword.
Uk breaks his silence after being cast out
Mu-deok and Maid Kim worry Uk is heartbroken after his banishment, but he has been quietly practicing and vows Songrim will beg him back.
The torrent of energy boils then freezes Uk's bath
Uk's flogging makes the stolen energy surge early; his bath turns scalding then icy while Mu-deok covers with a medicinal-herb excuse.
Freezing Uk's bird egg story
Freezing through the night, Uk asks Mu-deok for warmth and tells her he is the egg atop the tree with only her to care for him.
Stupidity or vigor: Uk tries his father's sword
Uk struggles to unsheathe the sword his father left; Mu-deok explains he needs Ryusu first and calls his stubbornness an act of vigor.
The Crown Prince comes for two swords
The Crown Prince arrives for Naksu's sword and also demands the late Gwanju's sword; Uk refuses and the Prince proposes a fight for it.
Uk fights the Crown Prince over the line
The Prince dares Uk to push him over a line; Uk takes a beating until Mu-deok's chamber-pot splash forces the Prince across it.
Uk's sword arm runs wild against the Crown Prince
Uk unsheathes his father's sword but cannot control his arm; a binding bracelet stops him, and the Prince dares the four heirs to fight him together.
Everyone fights to drink the chamber pot water
Mu-deok offers to drink chamber-pot water as an apology, Uk insists he should, and the friends join in until the Crown Prince gives up.
Uk unsheathes his father's sword before Park Jin
Uk shows the Songrim leader he can now draw his father's sword and begs to be taken in, but unbound, his arm cannot hold the blade.
Uk locked up for insulting the royal family
Cho-yeon brags that Uk beat the Crown Prince, but the leader hears Uk threatened the Prince and orders him locked up as dangerous.
Park Jin tells Uk he is not Jang Gang's son
Uk vows to become Gwanju like his father; Park Jin tells him he is not Jang Gang's son and should stop dreaming.
Mu-deok ends Uk's pity party
Mu-deok tries to rouse Uk to train after only ten days of progress; he refuses and tells her to just be his maid.
Uk flees before Cheonbugwan can take him
Royal guards come for Uk after the duel challenge; warned he could lose his arm or life, he slips away to Sari Village with Mu-deok.
Mu-deok's real plan: train at Danhyanggok
Uk learns Mu-deok staged his escape so he would train, and their real destination is not Sari Village but Naksu's hometown.
Danhyanggok is suspiciously cozy
Expecting a barren training ground, Uk finds roast chicken, a bath and soft blankets, and Mu-deok realizes someone else lives there.
A dog, flowers and Uk's kidnapping joke
A well-trained dog greets them; Uk jokes Mu-deok lured him there to live together, she snaps, and he decides he'd rather stay anyway.
Uk gives his sleeping master the bed
Finding Mu-deok passed out from carrying the luggage, Uk claims the bed as young master, then guiltily moves her there and takes the floor.
Night fight with the stranger who sensed a soul shifter
A stranger senses a great soul inside sleeping Mu-deok; Uk confronts him and their fight breaks out as Uk tells her to run.
Meet Master Lee, and the sleepwalking cover
The stranger apologizes, introduces himself as Master Lee and suggests Mu-deok sleepwalks; she and Uk bicker over the bed and deny being married.
Sizing up Master Lee: Jipsu, Ryusu, Chisu
Mu-deok and Uk watch Master Lee light a fire and dry his clothes with energy, and Uk realizes how badly last night could have gone.
Hemp Master Lee and the chaste herb tea
Uk learns he drank a pot of libido-killing chaste tea; then Master Lee says training under him means drinking more of it.
Uk's libido rant ends in an accidental Ryusu
Uk protests celibacy while Mu-deok calls it a small sacrifice, until his arm releases energy that bloodies her and she is thrilled.
Mu-deok smashes Uk's peaceful life
Uk is happily cooking and fishing with Master Lee; Mu-deok attacks the scene with a knife and calls him a coward.
Master Lee offers to cut Uk's energy flow
Master Lee recalls his one pupil who married and left, then offers Uk an ordinary life by cutting off his energy.
Uk calls Mu-deok a bird's egg
Looking for Mu-deok, Uk says she needs to be embraced; at a corpse in town, Master Lee explains soul shifters and pitches Hwansu.
Uk carries home his drunk master
Uk learns Mu-deok drank with the Crown Prince and finds her wasted, lamenting that this body cannot hold its liquor.
Yul and Dang-gu find drunk Mu-deok
Drunk Mu-deok drifts into a memory of an injured child and a bird call, then Yul and Dang-gu track her and Uk down in Danhyanggok.
Yul's bird memories and a round of chaste tea
Yul admits he snuck into Danhyanggok for the birds he loved, then the friends happily drink Master Lee's chaste tea.
Uk promises to take Mu-deok up the tree
At the tree with the bird's nest, Mu-deok mourns the moon she can no longer see, and Uk vows to master Chisu to take her up.
Mu-deok's cooking class for genius Yul
Uk and Dang-gu watch Mu-deok scold Yul over green onions and soup; he takes it like a diligent pupil and the meal turns out tasty.
Master, do not cheat on me
Uk sulks that Mu-deok taught Yul to cook, calls it betrayal and cheating, and demands she be indifferent to other young masters.
The special tree and 'just anyone'
Yul finds the tall tree from his past; offered a climb with Dang-gu, Mu-deok refuses to share such a special tree with just anyone.
Yul asks how Danhyanggok fares in winter
Yul quietly asks Mu-deok whether it was cold here in winter; her answer comforts him while Uk and Dang-gu argue over whom she likes.
Uk's friends tell him to stay hidden
Dang-gu and Yul report the assembly's talk of cutting Uk's energy and urge him to lie low; Uk says he will do the opposite.
Mu-deok's brutal pep talk
Mu-deok tells Uk his friends sent him into hiding because he is worthless; he sulks off to bathe and she curses him from outside.
Training Tansu: slice one water drop
Mu-deok sets Uk to slicing falling water drops, explaining Tansu is the only way to face the Crown Prince and live.
Master Lee catches Mu-deok training Uk
Master Lee realizes Mu-deok is Uk's real master and warns her Tansu could kill him; Uk's sword nearly hits her.
Uk's arm burns from forced Tansu
Master Lee warns Uk's arm could rot; Mu-deok calls him lucky and fine, and Uk sees through his cruel master's kind lies.
An eye poke rematch turns flirtatious
Uk tricks Mu-deok with an eye poke, then leans close about her fading blue marks; she answers with a lesson about surprise attacks.
Uk learns he is getting married
Over thin pheasant soup, Master Lee reports Cho-yeon is marrying the Gwanju's son; Uk is stunned and teased about the chaste tea.
Should I get married, Master?
Uk figures the wedding is Maid Kim's deal to save him; he asks Mu-deok if he should marry, and she will not stay as just a maid.
Uk's girl is a bird egg on top of a tree
Uk refuses the marriage, admitting to Maid Kim he cares for a girl who has only him; she vows to pay the girl off.
Uk asks Maid Kim who his real father is
Urged to vow marriage before his mother's portrait, Uk asks Maid Kim if he is truly his father's son and says he will not sit still.
Mu-deok vanishes in Jinyowon
Uk is summoned to Jinyowon, where Mu-deok meets someone familiar, and the Jin family accuses her of stealing the yin-and-yang jade.
Jang Uk apologizes, then demands Jinyowon's door be opened
Uk takes responsibility for his maid before Jinyowon's leader, wins permission to search for her himself, and asks to enter the relic vault.
Uk, Yul and the Crown Prince volunteer to enter Jinyowon
Warned the vault's relics can trap anyone forever, Yul and the Crown Prince insist on going in with Uk, and are given one hour.
Bickering in the relic vault, and Yul gets lost when spooked
The Crown Prince teases Uk about inheriting Jinyowon's treasures, a noise startles them, and calm Yul marches off the wrong way.
The sachet Mu-deok hung by the outhouse
Comparing notes on the illusion, the Crown Prince learns the sachet he gave Mu-deok has been put to use keeping flies off the outhouse.
Mu-deok trapped in the Mirror of Longing, and Jinyowon refuses
The broken mirrors lead them to the Mirror of Longing. Its leader refuses even a royal order to move it and vows to seal the door on Uk.
Mu-deok outwits the mirror's philosophy of illusion
Inside the mirror, a reflection argues that all self-image is illusion and asks for her energy; Mu-deok turns its logic on it, then hears Uk calling.
Jang Uk tells the mirror he misses Mu-deok
As the door is about to be sealed, Yul is sent to drag Uk out while Uk tells the mirror his plan to keep her by his side, and that he misses her.
The Mirror of Longing shatters and Mu-deok breaks free
A memory of Uk carrying her up a tree, a spirit's cry about the blind girl and the ice stone, and the mirror bursts apart.
Cho-yeon confesses to the jade, the mirror and the locked door
Cho-yeon claims the broken jade, the damaged mirror and the sealed door as her own doing, and the family agrees to keep it quiet.
Blinded Mu-deok is swarmed by worried suitors
Uk ties a cloth over Mu-deok's dazzled eyes, then Dang-gu, Yul and the Crown Prince each arrive offering to take her for treatment.
Uk vows to find out who he really is
Scolded for entering Jinyowon, Uk uses the mirror's lesson on illusion to explain why he will stop proving himself and find his own path.
Who saved whom? Master and pupil argue about the mirror
Mu-deok insists she broke the mirror with her own returning power and lectures Uk that a pupil should die for his master; he sets terms of his own.
Uk warns Jinyowon's leader about his parentage
Calling the match a marriage of convenience, Uk admits the rumor he is not Jang Gang's son and asks her to weigh that risk.
Jade bird eggs, then Mu-deok says goodbye to Uk
Uk gives Mu-deok a token made from the yin-and-yang jade as a reminder to stay loyal, unaware she was ordered to hand him over; she announces she is leaving.
Uk fights a Cheonbugwan mage in the rain with Tansu
Uk follows Mu-deok even after learning she meant to hand him over, and takes on the mage in a downpour until the alchemy of souls strikes.
Mu-deok thinks Uk's body was stolen, until he looks into her eyes
After the alchemy of souls, Mu-deok turns on what she thinks is Gil-ju in Uk's body; Uk gets close and asks her to recognize him.
Uk can move his energy without the binding bracelet
Mu-deok explains how the poison and the Soul Ejector together opened and surged Uk's energy, and calls him extraordinarily lucky.
Gil-ju tells Naksu her father was a soul shifter
His soul shift failed, Gil-ju reveals Cho Chung slaughtered his own family, that both were used, and that Jin Mu is not the true Danju.
Heo Yun-ok's maid accuses a stranger of stalking her
At an inn, Sun-i calls out a man who trailed her lady across the capital; he flatly says her looks did not impress him, and Yun-ok is left mortified.
Rescued, Heo Yun-ok gives her name
After an attack, Yun-ok learns the man was chasing someone else, thanks him, and introduces herself as from Sejukwon.
The running soul shifter storms the palace gate
Tracked from Cheonbugwan to the palace, a mage is unmasked as a soul shifter at the gate and brought down; his pursuer learns the Danju is inside.
Yul returns Mu-deok, and she scolds Uk for running away
Yul hands back the bracelet and reveals he wounded then saved Mu-deok; she invents a story that Uk abandoned her, and he plays along.
Yul warns Mu-deok he might let her die next time
After telling Uk to lie low until the duel, Yul coldly notes she was at Uk's side again, and Mu-deok bites back.
Mu-deok at her father's grave
At the soul shifters' grave, Mu-deok admits she was used and abandoned, fears she will run wild too, and asks Uk if he will leave her.
Uk vows to find the ice stone for his master
Uk promises to climb his way into the palace for the ice stone, and asks Mu-deok to keep pushing him to his limits and stay by his side.
Jang Uk walks in at the last second for the duel
With the king watching and Uk's Cheonbugwan inheritance at stake, noon arrives and the doors close, until Jang Uk is announced.
Jang Uk vs. the Crown Prince: the duel won with Tansu
Cho-yeon begs her mother to stop it, Uk defends as coached, an order goes out to smash the water crocks, and Uk ends the match with Tansu.
Accused of cheating, Uk is saved by Master Lee
Elders demand who taught Uk Tansu; he insists he trained alone, and Master Lee steps in to vouch for him and his maid.
Every house wants Jang Uk, and he picks Songrim
Cheonbugwan, Sejukwon, Jinyowon and Songrim all bid for the duel's winner; Uk asks Mu-deok where to go and joins Jeongjingak.
Jang Uk is sworn in as a mage of Songrim Jeongjingak
Uk receives the uniform, Spirit Plaque and Book of Regulations, bows to the leader and his peers, and the mages head off to party on the Jang family's tab.
Uk shows off his uniform and thanks his master
Maid Kim tells Madam Do-hwa the news while Mu-deok recalls their first meeting; Uk asks how he looks and thanks her with a crushing hug.
Park Jin chases Maid Kim with a hangover pill
Uk and Mu-deok split Master Heo's pill, and Park Jin keeps trying to hand his to Maid Kim as she walks away.
Uk defends sorcery and Master Heo explodes
Master Heo signs Uk up as a marriage candidate, then learns he wanted Naksu as a master and would use sorcery to save a life; he demands his energy back.
The Crown Prince crashes the party with a toast for Uk
To everyone's alarm, the defeated Crown Prince arrives with wine, pours Uk a gracious congratulatory drink, and gets one back.
Mu-deok is barred from following Uk into Songrim
As drunk Uk is carried in, the gate guard rules a maid cannot enter and a trainee cannot leave; Mu-deok begs to be taken along.
Yun-ok realizes her patient is the arrogant mage
Master Heo greets his granddaughter, finds the drunk patient is Uk, praises him as a genius, and leaves Yun-ok to tend the man she met before.
Mu-deok waits outside the wall, and Yul sends her home
Uk drunkenly calls for her inside; outside, Mu-deok swears she will kill him if he abandons her, and Yul carries her vow to get into Songrim.
Uk wakes up to Sun-i instead of Mu-deok
Hungover Uk asks for Mu-deok and gets the maid from the inn, learns who Yun-ok is, and Maid Kim says she reminds her of Madam Do-hwa.
Park Jin and Maid Kim's lover's quarrel, and slow-witted Dang-gu
Park Jin's logic sets off a spat with Maid Kim that everyone can read, and Dang-gu gets scolded for trying to follow Uk and Yun-ok.
Uk and Yun-ok trade names and a secret
Uk asks Yun-ok to keep the soul shifter attack quiet; she thinks he means her embarrassment, then he teases her about her grandfather's boasts.
Uk asks for Mu-deok and decides to follow the rules
The leader refuses an exception and probes whether Uk needs his maid to reach a secret master; to protect her, Uk gives in.
Maid Kim visits trainee Uk and tells him to leave Mu-deok be
Uk starts basic training under the regulations; Maid Kim beams with pride, then lists everything Mu-deok did for him and says she is better off without him.
Mu-deok realizes she is the bird egg Uk loves
Maid Kim asks who Uk loves, a woman like a single egg atop a tall tree; Mu-deok recalls the jade eggs and her rule, while Uk says he misses her.
Uk memorizes the rules, Park Jin hands him another book
Uk recites Songrim's rules from memory to win his freedom, but the leader says he only memorized them and sets a new condition.
The blank pages of Words of the Heart
Uk finds the new book empty; the others explain it only reveals itself to focused energy and mock him until Yul cuts them off.
Uk realizes he was tricked and runs away
Uk storms off feeling deceived and slips out of Songrim, asking Young Lady Heo to look the other way.
Uk and Mu-deok's stolen reunion
Mu-deok signs up as applicant 125, learns Uk sneaked home, and catches him just before he heads back; she reveals Songrim is hiring.
The Crown Prince catches Uk sneaking out
Go Won finds Uk outside Songrim; Uk bribes his silence with a honey biscuit, and the prince warns him about mages nearby.
Heo Yun-ok covers for Uk's four-hour absence
A suspicious servant barges in, but Yun-ok has been waiting in Uk's room to pretend they were together, and he slips back in time.
Master Lee reveals the book is a love letter
Master Lee says it would take a year of training, then lets slip a secret: the poem was written for a woman who could not see.
Uk unlocks Words of the Heart with Seol-ran's name
Reasoning that every love letter starts with a name, Uk learns who the poem was for, and the invisible text appears to him.
The poem plays as Mu-deok races to the finish
Seo Gyeong's poem is read over Mu-deok's water-carrying race, and an old memory pushes her on to take the last place.
Uk answers Mu-deok's unsent love letter
Mu-deok calls Seo Gyeong's letter cowardly; Uk says her trip into Songrim was her own letter and gives his reply: he missed her too.
Uk reads Mu-deok's heart by calling her name
Mu-deok tries to burn the letter and forget it, but Uk uses the trick from Words of the Heart on her and sees what she hides.
Mu-deok diagnoses Uk's longing as poison
Mu-deok says missing her is a poison whose only antidote is her; Uk lists her cruelties and vows to report every symptom.
Dang-gu convinces Uk that Mu-deok loves Yul
Dang-gu tells Uk that Mu-deok and Yul have been meeting and Yul solved her test; Uk replays his confession and dies of embarrassment.
Mu-deok cannot get Uk out of bed
On his first day Uk refuses to get up, blaming his poisoning; Mu-deok tells him his antidote is right here.
Uk sulks through every offer and blocks Mu-deok's nap
Uk turns down a sword lesson and a sapphire training mat, then lies across Mu-deok's path and refuses to move until she feels his frustration.
Maid Kim tells Uk his father is irrelevant
Uk learns people now call him his father's son; Maid Kim says she raised him and will cherish him whether he succeeds or not.
Uk loses a surprise duel and learns of the jade bet
Mages ambush Uk with a duel he loses, then the prince reveals Mu-deok bet her jade on Uk winning one fight in ten days.
Uk confronts Mu-deok over betting their jade
Uk accuses Mu-deok of making the bet to force him to train; she admits it and says he cannot lose what they share to someone else.
Seven days of losing duels, then the prince steps in
Uk keeps losing to Jeongjingak mages until three toads remain, and the Crown Prince decides to fight the exhausted Uk himself.
Mu-deok coaches Uk on the tug-of-war of fighting
Soaked after his eighth loss, Uk replays the fight; Mu-deok tells him to feign retreat and strike when his opponent relaxes.
Uk notices Mu-deok's soaked shoes
Uk stops Mu-deok from fetching his clothes, sees she followed him into the water, and admits he is hurt from eight days of fights.
The jade links Uk's heart to the Crown Prince
Uk fills the jade with energy and the Crown Prince feels an irresistible pull; both are mortified to learn who made their heart race.
Uk shares his mugwort warmth with Mu-deok
Uk proves he got treated by letting Mu-deok feel how warm the mugwort left him, then teases the jade's mysterious powers.
Yul and Uk on monsters and following your heart
Yul tells Uk he slashed a soul shifter and that mages must protect the world from monsters; Uk offers a gentler view.
Uk refuses Dang-gu's forfeit, then blames Mu-deok
Dang-gu offers to throw his match and Uk refuses; afterward Uk and Mu-deok bicker over who gave whom the wrong signal.
Park Jin shuts Uk out of Songrim's mission
Park Jin sends every trained mage to Sejukwon except Uk, telling him he is excluded and may go home.
Uk and Mu-deok sneak into Cheonbugwan
Delivering Maid Kim's biscuits, Uk talks his way into Cheonbugwan and Mu-deok recalls her father showing her the plate from her birth.
Jin Mu finds Uk hiding instead of the eunuch
Hunting the rogue eunuch, Jin Mu draws out Uk, who explains his honey-biscuit errand and introduces Mu-deok.
Jin Mu traps Uk in a barrier
Uk and Mu-deok spot the rampaging eunuch and try to escape, but Jin Mu blocks their exit and seals Uk inside a barrier.
Jin Mu feeds Mu-deok to the soul shifter
Jin Mu offers Mu-deok to the rogue eunuch as food and steps outside, leaving her to face it while Uk is trapped in the barrier.
Mu-deok fears she is running wild
Having fed on the shifter's energy, Mu-deok begs Uk not to touch her in case she steals his energy too.
Mu-deok admits she opened the sky above the constellation basin
After the soul shifter turns to stone, Mu-deok confesses the water restored her energy and broke the ceiling, then plans to summon her 'savior'.
Jin Mu hunts the hidden Jang Uk inside Cheonbugwan
Jin Mu guesses Uk is hiding rather than lost and threatens to ring the room with fire; Uk taunts him from cover.
Jang Uk's yin-and-yang jade bluff turns the tables on Jin Mu
Cornered, Uk reveals he charged the twin of the Crown Prince's jade and hid it on the petrified eunuch, so the prince is coming.
The honey biscuit excuse: Park Jin covers for Uk
Park Jin offers a flimsy reason for Uk's visit, Uk accuses Jin Mu of hiding a soul shifter, and the Crown Prince orders a check on the eunuch.
The Queen arrives with the 'petrified' eunuch alive
The Queen brings Eunuch Kim in, apparently unharmed, and Uk realizes the ice stone revived him, so he takes the blame and calls it all a lie.
Mu-deok's tearful act saves Uk from Jin Mu's punishment
Park Jin apologizes and offers to fix the basin; when Jin Mu insists on punishing Uk himself, Mu-deok's wailing plea gets him released to Songrim.
Park Jin praises Mu-deok's fuss and believes Uk
Mu-deok explains why she made a scene; Park Jin says he knows they told the truth and suspects Jin Mu holds the ice stone.
Mu-deok fears devouring Uk's energy, and he hears a confession
Mu-deok says they should stop being alone because she might drain him; Uk laughs, taking it as her reply to his love, and vows to find the ice stone.
Fake probation and the legend of the Golden Fish
Master Lee finds Uk home on 'probation'; Uk refuses to fish so he can train, until Mu-deok hears about the Golden Fish and volunteers him.
Master Lee catches a Golden Fish with no bait
At the lake Master Lee fishes with his own energy and pulls up a Golden Fish; Mu-deok reveals the trip is really a lesson in Chisu.
Uk and Master Lee trade secrets about love and Naksu
Uk guesses Master Lee's feelings for Maid Kim and admits he likes Mu-deok; Lee reveals he knows Naksu was Yul's first love.
Seo Yul plans to take someone with him to Seoho Fortress
Yul tells Uk he will soon go home now that he has mastered Chisu, and that there is someone he wants to bring along.
Uk vows not to lose his last duel
Uk suspects Yul means Mu-deok; she teases that he fears another loss, and he says he finally caught it.
Mu-deok is the prize, and Seo Yul is Uk's last opponent
The tenth duel's prize is Mu-deok herself as a maid, and the challenger who steps forward to face Uk is Seo Yul.
Jang Uk reaches Chisu while Master Lee talks about geniuses
Master Lee explains that some are born able to grasp energy and others fear them, as Uk catches the Golden Fish and Mu-deok tells him he has reached Chisu.
Jang Uk vs Seo Yul: the tenth duel
Uk fights Yul using spells copied from his earlier duels, loses, and still stuns everyone by using Tansu, proof that he has reached Chisu.
Uk tells Park Jin that Master Lee is courting Maid Kim
Asked why Master Lee helps him, Uk 'reveals' the family matter: Lee is winning over Maid Kim, and Uk offers Park Jin the first chance.
Seo Yul shows Uk his homing bird and its whistle
Uk complains he cannot visit Mu-deok; Yul has him call the homing bird with a whistle and asks what the bet with the Crown Prince was.
Mu-deok dares Uk to prove the chastity rumor false
Mu-deok confronts Uk about the rumor and dares him to embrace a pretty lady; he takes her at her word, and later she brings him something she found.
Master Lee tells the King he is a soul shifter
At the palace the King rants about Shaman Choi, then Master Lee reveals his soul is over a century old in a borrowed body; Mu-deok seeks the broker.
Uk realizes Master Lee knew about Mu-deok all along
Uk grasps what Master Lee's ability means for Mu-deok, as the search for the broker ends in an accusation of murder.
Master Lee tells the King how he spots soul shifters
Master Lee says soul shifters look like anyone else and only fear reveals them, then offers the King a gift: a dog.
Jang Uk fights the palace guards to bring the dog in
Ordered to kill the 'wily beast', the guards attack Uk; Jin Mu joins in until the King orders everyone to stop.
Master Lee leaves having seen enough, and Uk nurses a cut
Master Lee says the soul shifters showed themselves through fear; Uk, hurt in the fight, fusses over the dog while Yul wonders what Lee knows.
Tea with the Crown Prince turns into a debate on Naksu in Blue
Over tea, a rumor about Naksu's new body leads to an argument over whether ordinary people are foolish or simply frightened.
Heo Yun-ok comes to treat Uk amid engagement rumors
Heo Yun-ok arrives to tend Uk's wound while the others gossip that Heo Yeom wants a grandson-in-law and Uk tops her list.
Uk is locked up, and Seo Yul inspects the bodies
Uk is taken to Songrim and confined; Dang-gu insists Mu-deok could not kill, while Yul examines the bodies and weighs what he knows.
Park Jin interrogates Uk and Mu-deok separately
Park Jin tells each that the other confessed their secret; they must guess what the other said, or one of them dies.
The shared secret: Uk and Mu-deok both confess their love
Both told Park Jin they love each other; Uk teases Mu-deok, she orders him to choose life over love, and he refuses.
Mu-deok demands a promise to go with 'love me to death'
Uk teases Mu-deok's glare and coaches her on sweet eyes; she asks what their future holds, then reveals Master Lee's dog was really Gwigu.
Mu-deok mourns Gwigu, the dog that never barked at her
Mu-deok realises the dead dog knew she was a soul shifter all along and kept quiet; then word spreads that Dang-gu and Cho-yeon are lovers.
Heo Yeom hands Uk the assassin Naksu's sword
Summoned by an absent Master Lee, Uk receives Naksu's sword along with a scolding about leading Yun-ok on and a warning about how strict Lee can be.
Uk asks Mu-deok to point her sword at him first
Master Lee's message is a threat; Mu-deok says once she is Naksu again they part ways, and Uk asks to be her first target if she draws the sword.
So-i practises walking like a blind girl
Uk worries So-i knows who Mu-deok is; meanwhile So-i, sure everyone who knew her is dead, rehearses being blind with an umbrella for a cane.
Uk, Yul and Dang-gu remember the buried inkstone
Drinking together, the three friends retell how they hid a broken inkstone as boys, and discover Dang-gu romanticised how they got caught.
Yul's sleepless nights and a secret he keeps
The friends notice Yul is not sleeping; memories of Gwigu's body suggest he is quietly carrying something he will not say.
Could the Queen be Shaman Choi in disguise?
Remembering Eunuch Kim's words, they wonder if the Queen is a soul shifter, and work through the Seo family's Lanterns of Life.
Uk and the Crown Prince trade secrets in Gaema Village
Both hunting Eunuch Kim's trail among the shamans, Uk and the Crown Prince haggle over information, the prince pulling rank every time.
Shaman Bong tells the tale of Shaman Choi
An old shaman who reads Uk and the Crown Prince as suspiciously close recalls a hex-casting shaman who leapt into a fire while fleeing Jang Gang's mages.
Uk and the Crown Prince split up to catch a tail
Sworn to secrecy about Jang Gang's past, the pair realise someone is following them and separate to flush out their pursuer.
Uk corners a stranger who knows his father's sword
In Gaema Village a man who recognised Jang Gang's sword calls him a madman; Uk explains why he still carries it, and the stranger recalls Do-hwa.
The stranger warns Uk off his hunt for sorcery
Hearing Uk is after Shaman Choi, the stranger warns that sorcery's darkness consumes the soul, then admits he is damaged to his core.
Uk dolls Mu-deok up at the accessory stall
Uk tries on trinkets, then puts makeup on Mu-deok, insists she is blushing, and teases that she looks like a drunk dog.
Yul's umbrella exposes the fake Bu-yeon
The friends realise the returned daughter carries the umbrella Yul gave So-i; Mu-deok grills Yul like a jealous wife before Uk takes over.
The friends hold back their proof about the fake daughter
Dang-gu wants to tell his uncle, but the others fear a feud with Jinyowon and suspect Jin Mu has leverage over Lady Jin.
Ho-gyeong reveals the ice stone at the Unanimous Assembly
Jinyowon's leader lists Songrim's overreach, presents her daughter, and announces the ice stone has been in Jinyowon all along.
Uk beats the drum and invokes Words of the Heart
Uk greets his former masters, interrupts the standoff before the King, and claims Seo Gyeong's will on the stone lies in Words of the Heart.
Uk tells the Crown Prince the Queen is Shaman Choi
A Cheonbugwan log confirms Shaman Bong's story; Uk reveals Eunuch Kim served the Queen as Shaman Choi and that the real Queen still lives.
Uk reveals Words of the Heart is a love letter
Mu-deok gambles her life to reach the ice stone while Uk explains Seo Gyeong spared it out of longing to save a dying lover.
Mu-deok smiles as she volunteers to die
Onlookers wonder why the maid smiled agreeing to die; Jin Mu tells the Queen to seize the girl's body, and Ho-gyeong calls her 'my Bu-yeon'.
Trapped mages wake in a fog full of flowers
Inside Jeongjingak the young mages wonder if they died and reached utopia, joke about the Jade Emperor, and find the Crown Prince among them.
So-i plays dumb while the prince dismisses Mu-deok
So-i pleads blindness to the Crown Prince's questions, and the prince waves off Mu-deok as a puppy who only follows her master.
Mu-deok shops for a new body while making noodles
Done being servile, Mu-deok weighs which body to take, from the King to Park Jin, then cooks one last meal for her young master.
Uk begs his master not to abandon him
Mu-deok rehearses a farewell, but Uk guesses they are inside the ice stone, admits he fears she will leave, and urges her to be honest.
Uk and Yun-ok open the forbidden book room
Uk wants Jang Gang's confiscated sorcery books, and Yun-ok, keeper of the key, insists on staying to watch him.
The barrier drains anyone who casts a spell
A drink with the Crown Prince turns grim when a show of skill leaves Beom drained; Uk finds the barrier takes the energy of any spell.
Uk and the Crown Prince on what they'd do with the stone
Testing the barrier with stones, the two talk mothers, fathers and greed; Uk says he would do what Seo Gyeong did, then hits on a message plan.
Master Kang ambushes Yul inside the barrier
Yul walks into the trap meant for Mu-deok; he is found hurt, and the friends learn Master Kang is feeding on mages and can still cast spells.
Uk lures the soul shifter to the secret room alone
Uk takes Master Kang on himself to save the others; Mu-deok decides to rescue them one last time and runs for the secret room past Yul.
Uk asks Mu-deok to point her sword at him first
Sword drawn and power regained, Mu-deok faces Uk, who reminds her of their promise and lets her decide; she asks for his other promise.
Mu-deok tells Uk to point his sword at her first
Trapped in the barrier, Mu-deok confronts Uk about the overflowing power he cannot control and holds him to his promise.
Uk plans to give away all his energy to turn the fog into rain
Inside the barrier Uk proposes using Tansu to turn the ice stone's fog into rain at the cost of all his power; Mu-deok forbids it as his master.
Uk asks the Crown Prince to take the credit, and Mu-deok lets him go
Uk will use Tansu even if it costs his powers or life, asks the Crown Prince to handle the aftermath, and Mu-deok gives her blessing.
Uk wakes with no power, holding the ice stone
Uk comes to and realizes his energy is gone; the ice stone is finally in his hand, now just a stone to him.
The King's Star rises and the barrier lifts
The King's Star appears, the barrier falls and the crowd hails the Crown Prince, while Uk and Mu-deok, both powerless, are just glad to be together.
Uk learns how his father took the blame
Uk is told his father died taking full responsibility, and remembers the one time he met him.
Uk quits as Mu-deok's pupil and proposes
Uk finds Mu-deok in the bridal room, says even 13 proposals get easier, ends his training as her pupil and asks her to marry him.
Uk tells a tearful Maid Kim he is marrying Mu-deok
Uk comforts Maid Kim, who guesses Heo Yun-ok is his secret love, then stuns her by revealing his bride is Mu-deok.
The wedding-ring shopping that uncovers Uk's seven rings
Ordering matching rings, Mu-deok learns of Uk's past ring-holding young ladies, hunts for more, and settles for his hand as her ring.
Park Jin's balsam seeds: an answer at last
Uk tells Park Jin he may take Maid Kim away for good; Park Jin finally stops her with balsam seeds and asks her to wait for them to bloom.
The truth about Lord Cho Chung, and why Jin Mu must die
Uk wants answers about his father; the elders learn Jin Mu framed Lord Cho Chung, and fear Jin Mu could expose Uk's secret.
Mu-deok hears strange bells in the market
Shopping with Uk, Mu-deok goes deaf to his calls after hearing bells, while Jin Mu watches and finds new hope in Naksu.
Master Lee Cheol learns the ice stone is inside Uk
Fishing with Master Lee, Uk admits the ice stone may be in him but refuses to awaken it, and asks for help if Mu-deok runs wild.
Dang-gu's last night as a bachelor
Dang-gu announces his wedding, the friends tease him about Cho-yeon, and Yul admits he was recently rejected.
Drunk Mu-deok tries to fly, then confesses to Uk
Tipsy at her farewell drink, Mu-deok fails to fly to the roof, nearly brags she is Naksu, and tells Uk she likes him before falling asleep.
The in-laws bicker over surnames on the wedding day
Park Jin and Jin Ho-gyeong argue over whose family Dang-gu is marrying into while Uk wonders where Mu-deok is.
Mu-deok realizes she stabbed Uk
Coming to herself, Mu-deok finds Uk wounded by her hand, as memories of their ring and their sword promise flood back.
The season closes at the soul shifters' grave
Mu-deok wakes freed of the bells as Jin Mu predicts her end, while a voice tells Uk, the King's Star, that this is not his end.
Naksu charms, a soul shifter attack, and a haggle over charm prices
Brewers mock charms said to be ground from Naksu's petrified body, until a soul shifter strikes and a mage critiques what they paid.
Jang Uk takes down a soul shifter living in his son's body
Jang Uk tells the brewers to duck and fights a soul shifter who taunts him that they are both monsters, then reveals he is a mage hunter.
Jang Uk is offered a charm against Naksu
The brewers press a Naksu charm on the mage, who wonders aloud if she is still feared; they recall how she stabbed the man who loved her.
Jang Uk stumbles into a locked room and a strange priestess
Breaking through a barrier, Jang Uk finds a woman piling stones to climb a wall; she begs to leave with him and sees the ice stone inside him.
The prisoner's crime: existing when she should not
Jang Uk refuses to free her, then asks what she did to deserve the room; she says she died long ago and should not exist.
Jang Uk hides from Cho-yeon and helps the prisoner escape
After her sister checks on her, Jang Uk embeds more steps in the wall for Bu-yeon, saying they are guilty of the same crime.
The wraiths that swarm Jang Uk each night
Maid Kim worries over her young master, and after using the ice stone's power he is beset by wailing wraiths, the price of the sky's energy.
The Crown Prince visits Jang Uk: a splinter versus a sword
Drinking alone among wraiths, Jang Uk trades barbs with the Crown Prince, who calls him a splinter; Uk says it cannot hurt more than a sword.
Bu-yeon waits at the dock and spots the last bachelor on her list
Bu-yeon accosts strangers hoping for her groom from the Seo family, misses Seo Yul's arrival, and fixes her eyes on Jang Uk instead.
The prisoner reveals she is Jin Bu-yeon and proposes to Jang Uk
Over chicken, the escaped woman names herself as Jinyowon's long-dead eldest daughter, explains her trap, and asks Jang Uk to marry her.
Bu-yeon's unmatched beauty fails to win over Jang Uk
Bu-yeon argues Jang Uk is the perfect husband to defy her mother and insists he admire her face; he concedes she is pretty and walks off.
Bu-yeon's last pitch: come take me away on the full moon
Bu-yeon convinces Jang Uk she is the real Bu-yeon who sees energy, offers her powers, and asks him to come for her before her wedding.
Park Jin's welcome-home feast for Seo Yul
Park Jin cooks for Seo Yul's return; the friends gang up on the next 'victim' and Yul politely gives up on the charbroiled deodeok.
Jang Uk asks Park Jin if the ice stone could be removed
Hearing of Bu-yeon's lost powers, Jang Uk asks whether a priestess could extract the ice stone, even if it kills him, to finally find peace.
Jang Uk comes for Bu-yeon on her wedding night
As the bride arrives at the groom's house and hope fades, Jang Uk appears and Bu-yeon leaves with him, calling him her husband.
Runaway bride Bu-yeon misreads Jang Uk's order to shed her robe
Bu-yeon wants to be carried, mistakes his order to shed her heavy robe for something else, then admits she remembers nothing before Jinyowon.
Jang Uk checks Bu-yeon's eyes and admits why he needs her
Jang Uk looks for a soul shifter's mark in her eyes, dodges questions about Naksu, then says he only wants her powers to deal with the ice stone.
Jang Uk brings Bu-yeon home as his future bride
Bu-yeon sizes up Jang Uk's house, he introduces her to a stunned Maid Kim as his bride-to-be, and tells Bu-yeon to make herself at home.
Bu-yeon turns stolen liquor into a wedding toast
Caught swiping liquor, Bu-yeon insists Jang Uk share a wedding drink to seal their marriage and teases him about their first night.
The lantern test exposes Bu-yeon's missing powers
Jang Uk asks her to snuff a Jinyowon lantern that never goes out; she cannot, admitting she lost her powers with her memory.
Jang Uk cuts Bu-yeon's tracking thread and lets her go
As Jinyowon closes in through her tracking thread, Bu-yeon confesses she likes him; Jang Uk severs the thread so she can leave quietly.
A strange water energy prowls Jang Uk's house at night
Someone tracks a damp, strange energy through the sleeping house to its hiding place and drives it off by feeding it a broken Jinyowon relic.
Bu-yeon chooses to go back for her mother's sake
Taken by Jinyowon's people, Bu-yeon asks for three days; recalling why she refused to run, she returns to a tearful embrace from her mother.
Park Jin's failed meju and the secret to red bean success
Over failed red bean porridge, Park Jin warns Jang Uk not to marry someone who would take his life, and Uk explains how a red bean lie survives.
Jang Uk realizes the lantern went out, as Bu-yeon is unveiled
Jang Uk finds his undying lantern dark and recalls Bu-yeon's half-truths, while she is presented as Jinyowon's heir to a startled assembly.
Jang Uk crashes the Unanimous Assembly and claims Bu-yeon as his wife
Jang Uk dares Bu-yeon to snuff the lantern, she does, and he declares her his wife; Bu-yeon confirms the wedding drink before everyone.
Bu-yeon defies her mother before the Unanimous Assembly
Uk and Bu-yeon announce their marriage; Lady Jin calls it a lie and the Assembly threatens Uk, who vows to take her anyway.
Uk produces a 'witness': the baby
Asked to prove the marriage, Uk claims Bu-yeon is with child, stunning the Assembly and dodging the physician's check.
Bu-yeon walks out with her 'husband' as friends gape
Bu-yeon tells her sister her groom has come for her; Dang-gu and Cho-yeon are stunned and the Assembly settles for Uk as son-in-law.
Bu-yeon relights the Jinyowon lantern
Toying with the relic, Bu-yeon turns the lantern back on and a memory flashes; Uk tells her regaining memories will return her powers.
'Do you want us to make a baby?' and Uk's cold condition
Bu-yeon frets over the fake pregnancy, admits she hoped Uk came for her, and he offers help only if she drops that hope.
The tracking thread: Bu-yeon refuses to go home
Her mother pulls the thread sewn into her flesh; Bu-yeon endures the pain and begs Maid Kim not to send her back.
Uk storms Jinyowon in the night to end the thread
As Lady Jin keeps calling her daughter back, Uk confronts her: his wife cannot sleep. By dawn Bu-yeon's pain is gone.
Maid Kim begs Uk to destroy the red bird egg
Uk tells Maid Kim to marry; she asks him to throw away the egg and the jade tied to a dead girl. He keeps them to know she is gone.
Wedding noodles and a confrontation about Mu-deok
Over noodles from Mu-deok's recipe, Uk's physician friend accuses him of wanting to die and tells him to truly mourn her.
Uk races to the jade's call and finds Bu-yeon
Uk rushes out when the jade calls; Bu-yeon greets him with a regained memory that the two of them have long liked each other.
The jade's memory is not Bu-yeon's
Bu-yeon proves she saw the egg-choosing memory, then realizes it belongs to the blue jade's owner; Uk admits he is disappointed.
Uk makes Bu-yeon a window to his dead love
The stone tower collapses again; Uk presses the jade on Bu-yeon to learn his lost love's last feelings, and she bitterly gives up hope.
Uk and Yul reunite at Jeongjingak
Yul worries over Uk's cold, ice-stone-haunted life; Uk teases him with a hug until Dang-gu barges in with a breakfast summons.
Leave-it-to-luck rice cakes
Dang-gu's uncle serves a honey-or-fish-sauce rice cake game with a lesson on destiny, before news breaks of Naksu's rumored return.
The King orders Uk to hunt Naksu
Uk calls the grotesque a fiction, but Jin Mu argues people will think he still cares for Naksu, and Uk vows to catch her himself.
'Go home and protect your wife'
Uk hides at Jeongjingak; his physician friend teases him that Bu-yeon toppled the tower, and Maid Kim invites herself to stay.
'You look pretty. I mean, the outfit does.'
Uk compliments then corrects himself, fusses over her nails, and asks Bu-yeon to show the banquet she is his wife.
Fireworks for the bride, then a deadly twist
Bu-yeon brushes off Yun-ok as fireworks are announced in her honor, but in the back garden she is told the banquet was bait.
Uk lays 'Naksu' to rest
The plan with Bu-yeon is revealed; Uk chases down the soul shifter and publicly declares Naksu gone for good.
Uk finally mourns Mu-deok at the cliff
At the cliff Uk relives his vows to his master Mu-deok and her confession, and admits he could not cry for her.
Jang Uk wakes beside his bride and draws a line
Uk wakes to find her beside him; she claims credit for chasing off the wraiths so he could sleep, and he lets her stay on her side of a line.
Uk and Yul finally talk about Naksu
Yul admits Naksu haunts his dreams out of guilt; Uk takes the responsibility on himself, then they bicker over who must eat Park Jin's dumplings.
Bu-yeon goes missing after taking in the cold
The household finds Bu-yeon gone and ill; Maid Kim scolds Uk for knowing nothing about her, and he realizes she absorbed the wraiths' cold for him.
Uk finds Bu-yeon gossiping at the market
Bu-yeon haggles for a fan and watches a couple brawl over an affair; Uk tracks her down, tells her to say when she is sick, and mocks her bargain.
Jang Uk turns a palace apology into a taunt
Uk tells Bu-yeon to look lovestruck while he flaunts her to the Queen, rejects her plea to shift her soul, and warns her never to touch his wife again.
Uk warms the turtle's water and the Crown Prince overthinks it
Uk warms the cold water for the Crown Prince's turtle; hearing of it, the Crown Prince spirals into imagining what Uk meant by the gesture.
Bu-yeon's promise and Uk's cruel reply
Bu-yeon thanks Uk and promises to stay by his side, but taking his hand stirs a memory and he accuses her of offering herself as a substitute.
The chicken and the dog
Uk tests holding Maid Kim's hand, gets scolded for upsetting Bu-yeon, and offers a clumsy apology about chickens, pheasants and dogs.
Master Lee returns to Uk's stone towers
Master Lee reunites with Uk among the towers for slain soul shifters and learns Jin Bu-yeon tried to rebuild one; he reveals he once saved her.
Lady Jin begs Bu-yeon to come home
Bu-yeon tells her mother she is regaining her powers and refuses to leave Uk; Lady Jin sees she is in love and demands Uk come apologize.
Master Lee tells Uk about the fire bird
Master Lee suspects a charm is a copy of the volcano-born fire bird locked in Jinyowon and asks Uk to check on it; Uk refuses to get involved.
Uk refuses Jinyowon, then learns what it cost her
Bu-yeon asks Uk to visit her mother and he declines; too late he learns Lady Jin offered to forgive them and Bu-yeon went alone.
Uk shows up at Jinyowon after all
Bu-yeon arrives alone with the gifts, then Uk appears behind her and formally apologizes to Lady Jin.
Uk insists on spending the night at Jinyowon
Uk talks Lady Jin into giving them a room; alone, Bu-yeon misreads his intentions before he asks her to open Jinyowon for him.
Bu-yeon's story of the tall tree
Sneaking through the garden, Bu-yeon tells Uk how she imagined sitting alone atop a tall tree hoping to be rescued, leaving him shaken.
Bu-yeon tells Uk to see her for who she is
Uk accuses her of confusing him; she knows of a tall tree he once promised to climb, and insists that it is her hand he is holding.
Uk and Yul cross paths as So-i lies to Lady Jin
Bu-yeon senses Yul's energy at Jinyowon; meanwhile a captive So-i names one suspect after another rather than give up her secret.
Uk distracts Lady Jin while Yul frees So-i
Uk asks Lady Jin to let him into Jinyowon as Yul and Bu-yeon find the wounded So-i, who tells Bu-yeon she only thinks she is Jin Bu-yeon.
Uk sees the fire bird egg and spars with Lady Jin
Lady Jin shows Uk the unhatched fire bird; they trade blame over the ice stone and how she kept her daughter locked away.
Bu-yeon declares Yul her friend and Uk bristles
Bu-yeon insists she came for her friend Seo Yul, not Uk's, and refuses to go home until Uk gives in and walks her back.
Walking home, Bu-yeon praises Yul and Uk sulks
Bu-yeon recalls meeting So-i and Yul, says Yul would have been a kind husband, then teases Uk to summon fireflies or fireworks.
Maid Kim tells her young master she is engaged
Maid Kim announces her betrothal to Park Jin; Uk struggles for words until she says he is like a son and he congratulates her.
Uk's fury over what was done to Naksu
Told the royal family and Cheonbugwan are waking the fire bird and that the King's Star is his, Uk vows vengeance on a world he no longer cares for.
Master Lee reveals Uk's real father
Master Lee hands Uk a gold plaque and letter: he is the late King's son, born through the alchemy of souls, and must not let his power bring chaos.
The Crown Prince tells Uk he is already dead
The Crown Prince brings news of a posting to North Fortress, learns the turtle kindness was a mistake, and goads a listless Uk with his master's creed.
Bu-yeon's Spirit Plaque and the master's creed
Showing off her Songrim plaque, Bu-yeon speaks of a harsh master in words that shake Uk, then vows to grow strong and protect him.
Park Jin asks who Maid Kim would save first
Park Jin sulks that Uk always comes first and poses the drowning question; Maid Kim turns it back on him, and both admit how much they care.
Uk searches her room and argues over who Yul's friend is
Uk hunts for the jade, learns she is going to Danhyanggok with Yul, and the two squabble over friendship before he leaves rattled.
Bu-yeon tells Uk about Yul's parasite
Breaking her promise, Bu-yeon tells Uk that Yul is severely ill and she saw a strange energy inside him.
Jang Uk finds Yul and turns on Cheonbugwan
The mages refuse to spare Yul; after the fight, Uk reaches his fallen friend, Yul apologizes, and Uk vows no one will leave alive.
Jang Uk finds Yul collapsed and vows no one leaves alive
Uk reaches the gambling den to find Yul down and apologising; his grief turns into a promise of total vengeance.
The Crown Prince blocks Jang Uk at Cheonbugwan's gates
Facing Uk's sword, Go Won admits Uk's rage is aimed at him and asks him not to waste years of restraint; Songrim declares it stands with Uk.
Jang Uk used Jin Mu as bait to draw out Lady Jin
Jin Mu apologises at the gate, but Uk's real target was Lady Jin; he begs her for Yul's life and tells Jin Mu killing him is not the priority.
Jang Uk warns Jin Mu to pray to the stars for Yul
After the standoff ends, Uk tells the Gwanju his own life hangs on whether Yul survives.
Lady Jin's price: send Bu-yeon home
Lady Jin names the fire bird as the cure, then demands Uk return her daughter in exchange; he agrees.
Park Jin: save both people who are drowning
Park Jin teases Uk with a drowning riddle about himself and Maid Kim, then tells him not to abandon Bu-yeon to save Yul.
Bu-yeon insists on helping save Yul
Uk tells Bu-yeon to stay out of it; she says Yul is her friend too and she will help until the end.
Master Heo's parasite-removal plan
Heo Yeom lays out a water wick, Yul's energy and the fire bird's power, and explains why Cho-yeon's blood is the key.
Could Cho-yeon be pregnant? Bu-yeon steps in
A warning about pregnancy sends Dang-gu into a panic; Bu-yeon volunteers and flatly insists there is no chance for her and Uk.
Jang Uk's forgotten pile of 30,000 nyang
The plan needs a fortune in gold; Uk reveals he dumped his soul-shifter bounties at Jeongjingak and never spent them.
Yul's life sealed in Bu-yeon's mouth
Heo Yeom draws Yul's last energy into the wick and places it in Bu-yeon's mouth; she must not open it before time runs out.
The 'eunuch' husband was the Crown Prince all along
At Jinyowon, Go Won meets the shaman he knew and learns she is Jin Bu-yeon, and that Jang Uk is the husband she complained about.
Fire bird ritual drives the parasite out and saves Yul
Uk and Go Won use the gold's energy at the fire bird's barrier to pull the parasite from Bu-yeon, then race back to revive Yul.
The useless brazier farewell
Bu-yeon says she is going home of her own will; Uk claims he has no use for her, and her parting jab stings.
Maid Kim scolds Uk for sending Bu-yeon away
Learning Bu-yeon never came home, Maid Kim snaps that she is not an object to return, and laments Uk's stubbornness.
Jang Uk alone with the lantern she left
Uk replays her parting words, finds the lantern she gave him, and remembers her turning off the last lantern.
The flickering lantern drives Jang Uk crazy
Haunted by advice and memories of her, Uk watches the lantern blink on and off and tries to talk himself out of going.
Jang Uk's lantern confession: when it goes out, he pines
Uk finds Bu-yeon at Jeongjingak, explains the ice stone, and admits that when the lantern goes dark he longs for her; she turns it off.
Jang Uk no longer wants to die
Bu-yeon feels the ice stone's power inside him; Uk admits he no longer wants it gone, and she vows never to grant that wish.
Jang Uk rehearses asking Lady Jin for her daughter
Planning to undo the promise, Uk practises his marriage plea; Bu-yeon lets slip her mother's needles and decides to go home first.
Honey biscuits and 'I recognized you first'
Bu-yeon fusses over Uk before leaving and says she knew he was her husband at first sight, echoing an old memory, while someone watches.
Maid Kim catches Park Jin stopping Yul's help
Park Jin admits he told Yul to stay out of it; Maid Kim calls him out, and Uk vows to win over Lady Jin.
The Crown Prince sends Jang Uk a Gold Plaque
A palace messenger delivers a chest; inside is the Gold Plaque left for the late king's son, and Go Won reports the turtle gone.
Bu-yeon sees the scar Naksu left on Uk
Watching Uk change, Bu-yeon asks about the sword scar, refuses to visit Danhyanggok, and is moved that he asks her to wait.
The Crown Prince orders Jang Uk to North Fortress
Go Won confirms Uk holds a Gold Plaque too, and tells him to go north if he will not fight over it; Uk obeys.
Jang Uk decides to accept the fight
Uk tells his elder he is going north and asks if he will back him; he says he knows his target and what he must protect.
Bu-yeon leaves Jang Uk for 'a man she cared for'
Bu-yeon says she remembers a man she hurt too badly to face; Uk, wounded and jealous, lets her go as she leaves for Jinyowon.
Jang Uk appointed general of North Fortress
At court Uk is named general of North Fortress and asked whether his wife will come; he says she will not.
Jang Uk sulks over the man she chose
Uk agonises over who the other man could be and whether he is less than a brazier on a summer day, yet admits he misses her.
Over the wall: Jang Uk's brazier-in-summer goodbye
Uk sneaks into her old room, refuses her 'confused' excuse, and vows to be the brazier waiting until she misses him.
Jang Uk leaves Jeongjingak for the north
Maid Kim wants to follow Uk north, Park Jin protests, and Uk tells her to stay with his uncle.
Inside Gwido, Jang Uk sees the marks in her eyes
Bu-yeon is daunted by the vast prison; after a long silence Uk appears beside her and asks about the marks in her eyes.
Bu-yeon shows Uk the blue marks in her eyes
Cornered in Gwido, Bu-yeon admits she is a soul shifter whose soul belongs to someone else; Uk hides it and claims the right to stand that close.
The Crown Prince sides with Uk over a lost turtle
Go Won reveals he never went north and wants to join Uk against Jin Mu, giving the pettiest possible reason: Jin Mu got rid of his turtle.
Eunuch Go decides Bu-yeon's old flame must be married
Uk admits Bu-yeon's heart is with someone who cannot recognize her; Go Won leaps to wild conclusions and mocks Uk's useless power in love.
The turtle leads Uk to the door of Gwido
The missing turtle turns up and a door to Gwido appears; Bu-yeon later admits she opened it herself and regrets what Uk saw.
Uk asks whether they should simply stay in Gwido
Alone with her, Uk explains why he must not recognize her, wonders aloud about staying together, and answers that it would be wrong despite the longing.
Uk takes on Jin Mu's 78 soul shifters
Uk traps the secret room in a barrier and fights every soul shifter, telling Jin Mu he came to do what is right, not for revenge.
Uk says goodbye to Maid Kim before the wedding
Leaving for North Fortress, Uk tells Maid Kim she is his top priority and asks her to be the prettiest, happiest bride.
Yul tells Uk that Naksu will disappear
Yul delivers the news Uk would rather not hear; Uk explains he turned away knowing he would have to slay her if he acknowledged her.
Uk accepts her reason and walks out of the Assembly
Told Bu-yeon exposed the soul shifter he spared, Uk vows to stop feigning ignorance, turns her accusation into his excuse and leaves to find her.
Uk finds his merciless master
Uk leaves to hunt the last soul shifter and finds her; she accuses him of using what is between them, and he says he already let her go.
Uk keeps the tree promise and they play house
Uk explains why she waited on the tree, finally carries her, and they tease each other over chestnut rice and a thrown knife.
Master Lee decides the two of them must marry
Refusing to watch one hunt the other, Master Lee announces he will end their current relationship by being witness at their wedding.
Four names, and she chooses Cho Yeong
After a mix-up over which way to face, Master Lee lists all four of her names; she picks her birth name, and he links light and shadow.
The wedding of Jang Uk and Cho Yeong
Over the wedding drink, echoes of their past promises play out before Master Lee declares them husband and wife.
Atop the tree, Uk admits he always knew her
Looking out over the world, Uk says he recognized the girl with the blue marks in her eyes from the very start.
A month of tomorrows and a promised last love letter
Uk refuses to count the days left; she promises a sign when her final memory returns, and Master Lee thinks of Seo Gyeong's unsent letter.
Empty coffins, then word that three still live
Songrim mourns Jin Ho-gyeong, Maid Kim and Park Jin with empty coffins, until Master Lee says the three did not die after all.
How Bu-yeon saved Jinyowon and Naksu's soul left
Jin Ho-gyeong learns Bu-yeon entered the collapsing Jinyowon through a door from Danhyanggok, and that Naksu has left her body.
Her last love letter: the final memory
Uk sets the yin-and-yang jade aside; the sign she promised comes back, and her last memory answers how she felt in their final moment.
Uk hands the Crown Prince the late king's Gold Plaque
Uk gives Go Won a plaque left by the late king so he can stop the army, and says he already reached the peak with the one he loves.
Uk forces the fire bird awake on the Assembly
As the mages hesitate, Uk wakes the fire bird himself and turns their own creed of power for the powerful back on them.
Seven stars send the fire bird to Uk at the lake
Bu-yeon wakes the fire bird atop the constellation basin and the seventh star guides it to Uk at Lake Gyeongcheondaeho, where it vanishes.
The light gets its shadow back
After the fire bird disappears, a voice returns the shadow to the light that saved the world.
Carried up the tree forever, then a cat as big as an elephant
Uk is still carrying his wife up the tree as promised; they bicker about training before going after a huge escaped cat.