Yuko (Yuki Natsume), a gentle and dutiful young wife, is brutally raped by her father-in-law, Masahiko, while her husband Ichiro is away on a long business trip. The tragedy deepens when her brother-in-law, Taichi, discovers the assault and begins sexually blackmailing her, pushing Yuko into an increasingly desperate and humiliating situation. As her mental state deteriorates, the film follows her harrowing struggle to escape this nightmarish cycle of abuse and betrayal.