Five years into her marriage, housewife Non finds herself living a peaceful life with her husband, who is significantly older than her. However, she grows increasingly dissatisfied with their sex life. One night, while hanging up laundry, she witnesses her neighbor's secret tryst. The shocking scene leaves a deep impression on Non's mind. After that, no matter how often she tries to initiate intimacy with her husband, nothing works, and her sexual frustration intensifies each day. Not just at night, but at all hours, Non's mind gradually changes—her rationality slips away, and she begins to lose awareness of her role as a married woman. That night, driven by raw desire, she slips out of the house wearing provocative lingerie. A story of a married woman's inner conflict and unleashed desires, breaking free from the boundaries of everyday life.