While sharing a moment of affection with Lee Beon, Seon Chaek is caught by her father and is promptly grounded. Meanwhile, the King grows suspicious of Lee Gyu's sudden return to Hanyang. Meanwhile, Bun makes every effort to earn the favour of Seon Chaek's family. Beon's first target is Seon Chaek's brothers.

Yi Beon's desperate rescue of Seon Chaek should bring them closer, but a new mystery tears them apart. When the kidnapper's body appears in public, Seon Chaek confronts a horrifying truth about the man she loves. She is safe in his arms, but she may be in love with a monster.

Su Gyeom confronts Eun Ae, asking if she's the one who wrote the letter that led Seon Chaek into the trap. Determined to clear her name, Hwa Seon decides to find the real culprit herself. Bun presses Eun Ae to reveal who her accomplice is, but she refuses to give in easily. Seon Chaek asks Yi Gyu to step in and help Bun out of his predicament.