Sumire, a widow who recently lost her husband, masturbates almost every night to ease her loneliness and endure it. She is unaware that her indecent behavior is being secretly filmed by a suspicious man in the neighborhood, Fujita... Then, Sumire is raped and even has vaginal ejaculation taken using the footage... However, the moans she hears halfway through the act make it hard to believe she is being forced, and Sumire reluctantly begins to accept Fujita's demands, and finally has sex with him in the bedroom she shares with her husband, shaking her hips of her own accord even in front of his portrait...