Lee Beon creates a perfect romantic day for Seon Chaek, proving their love can overcome any obstacle thrown their way. Their fairytale moment is destroyed by the arrival of Lee Gyu, a charismatic stranger who claims a prior right to Seon Chaek's hand. He built a perfect world for her, only for another man to tear it down.

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.