A work that deals with the cruel love story of King Yi In, who is in a political crisis, fighting for the throne, and Kang Hee-soo, a secret agent who approaches Yi In for revenge but ends up being enchanted.
Episode 1After a Qing-mandated exile, Grand Prince Jinhan returns to a hostile palace. He later encounters an intriguing baduk player who proves to be elusive.
Episode 2
E2
Episode 2After facing Yi In in a game of baduk, Kang Hee-soo develops feelings for him. Meanwhile, Yi Seon grows increasingly ill, creating a succession crisis.
Episode 3
E3
Episode 3Kim Myung-ha urges Hee-soo to stop her ruse. When a royal crisis arises, Kang Hang-soon performs a selfless act — but Kim Jong-bae schemes against Yi In.
Episode 4
E4
Episode 4After a confrontation with Yi Seon, Yi In ascends to the throne — but not without opposition. In the process, he cruelly turns a blind eye to Hee-soo.
Episode 5
E5
Episode 5Yi In summons Myung-ha to the palace and appoints him to a special role. To get the attention of the king, Hee-soo takes part in the baduk examination.
Episode 6
E6
Episode 6Hee-soo receives a stern warning from Yi In upon becoming his official baduk companion, later becoming entangled in a political ploy by the queen dowager.
Episode 7
E7
Episode 7Yi In begins to suspect a suspicious relationship between Myung-ha and Hee-soo. Later, Hee-soo joins the Grand Prince on a royal trip with the King.
Episode 8
E8
Episode 8After rumors of Yi In's affection toward Hee-soo spread like wildfire, the palace arranges a royal night of intimacy for him — despite true feelings.
Episode 9
E9
Episode 9After a night of intimacy, Yi In and Hee-soo navigate their complicated feelings. In an attempt to oust Hee-soo, Park Jong-hwan wages a bet with Yi In.
Episode 10
E10
Episode 10The Qing makes a contentious demand, and Yi In's decision in the matter forces Hee-soo to carry out her own plan — but last-minute complications arise.
Episode 11
E11
Episode 11As Jong-hwan gets close to catching the faux-princess, Hee-soo puts her faith in Yi In — struggling with her growing feelings for him.
Episode 12
E12
Episode 12After lightning ignites a fire, Yi In sees it as a sign from above. As Queen Oh's health falters, Hee-soo strives to protect the Grand Prince's fate.
Episode 13
E13
Episode 13A last-minute change of heart gravely injures Hee-soo — prompting questions around her gender. Later, Yi In reveals the fate of her father to her.
Episode 14
E14
Episode 14In a vulnerable moment, Yi In shares the secret of his ascension with Hee-soo. Jong-hwan plans a counterattack for Yi In's investigation of past events.
Episode 15
E15
Episode 15After Senior Court Lady Dong's tragedy, Yi In aims to punish the one responsible. Queen Dowager Park finally learns the truth about Hee-soo's gender.
Episode 16
E16
Episode 16Despite Yi In’s opposition, Hee-soo embarks on a dangerous journey to visit her father. But as months pass, their reunion remains uncertain.
