The delusions of her brother-in-law drive the widow Chizuru, who is in her fifties and cannot accept her husband's death. While trying to comfort herself from loneliness, she is caught by her brother-in-law. Her brother-in-law, inflamed by his fantasies, rapes Chizuru on a whim, starting an abnormal life with selfish reasoning and actions. Eventually, Chizuru becomes her brother-in-law's sex slave…
