Due to her husband’s job transfer, Yoshie found herself living at her in-laws’ house. There, her father-in-law, Ryunosuke—a man with a somewhat mysterious air about him—lived alone. One day, as Yoshie casually peered into the living room, the sight that met her eyes was that of Ryunosuke tying up a woman, hanging her from a beam, and subjecting her to the most depraved acts of abuse!