A young married couple moves back to the countryside to live with the husband's father. The daughter-in-law, Mikoto Tsukasa, is tall and stunning, captivating her husband's heart. The father-in-law, reawakened by long-suppressed desires, secretly drugs and uses her as his plaything behind his son's back. He dominates her resistance, repeatedly assaulting and training her to derive pleasure from the abuse. The town's neighborhood association chairman discovers his actions. Determined to return to the city, Mikoto prepares to leave, but the local men catch sight of her, leading them to take turns using her as their own toy in a shocking turn of events.