A story of love that was once pure but has transformed into a burning vengeance, ready to destroy everything. Papop, a wealthy heir to his family's hotel, returns to seek justice for his mother, who has been confined to a mental hospital for over five years. He believes that the mother of his childhood friend Namneung is the cause of his mother's madness. As a result, he harbors deep hatred and resentment toward both mother and daughter, even though Namneung has loved him since they were children.