Recently, her father-in-law, Munezo, has been getting old and needs care. Kayo (Asada Yuri) has been caring for him devotedly, despite feeling anxious and frustrated. However, Munezo's behavior, which could be interpreted as sexual harassment or accidents, has been increasing, and her distrust of him has been building up. One day, Munezo rapes Kayo, who is tired and asleep...