Everyday, the lustful and perverted father-in-law, Gen-ta, harasses his son's wife, Ryoko, with sexual advances. He spends his days fantasizing about having sex with her one day... One day, when Ryoko is injured and unable to move, Gen-ta insists on 'treating' her and forcefully gropes her body, seizing the opportunity to push her down all at once. Before she can call for help, Ryoko is raped. From that day on, the father-in-law's humiliation of his daughter-in-law begins...
