After the death of her older husband, Nana found herself consumed by deep loneliness. Worried about her well-being, her late husband's brothers came to visit. Gradually, she began opening up to their kind and attentive presence. However, among them were men with ulterior motives. One night, her husband's younger brother, Tetsuya, sneaked into Nana's bedroom and violently assaulted her. What these middle-aged men truly desired was not only the inheritance left behind but also the ripe body of the grieving widow. One after another, they took her, forcing Nana to endure unimaginable suffering...