Yoko married into a sadistic man with an autistic son. She was torn between her husband's increasingly violent sexual assault and her son's refusal to open up to her, and her frustration grew. To compensate, she seduced insurance salesmen and factory workers, finding a sense of peace she could not find at home. Meanwhile, her husband's cruelty escalated further and further... and eventually he forced his son and mother to commit incest, and then...