Hiroko has long had an affair with Tokuda, who has a wife and children. One day, she witnessed her fellowship with her colleague Sasaki. Sasaki's love and hatred for Yuko, who has been in love with her for a long time, turns into a twisted desire for revenge on her. Sasaki threatens Yuko and forcibly enters into a relationship. Yuko, who was trampled on her, begins to feel her first awakening as a woman in the young and rough Sasaki.