Young wife Yuki lives a happy married life with her husband. However, she gradually grows resentful toward her husband's boss, who drags him out every night claiming drinking is part of the job. One evening, while discussing her husband's work methods, the boss unexpectedly witnesses their conversation. Losing control, he berates her husband unfairly, and in a fit of rage, violently rapes Yuki. From that moment on, regardless of her husband's presence, Yuki is repeatedly dragged to the boss and slowly becomes his sexual slave. Her mind begins to distort as her relationship with her husband completely unravels...