Ja Yeong is a flutist. When her father has a child out of wedlock, her mother regards sex as a sin out of anger towards him. Ja Yeong grows up under her mother's exceedingly oppressive notions. Then by chance, Ja Yeong's sexual urges are expressed in an abnormal fashion. Ja Yeong's boyfriend Jo bin starts to detest her but he slowly learns of her situation and begins to understand her. On the other hand, Ja Yeong suffers much by jealousy of her half-sister Bo Yeong and Chun Hyung Seok who takes out his revenge on her.