Saori lived a plain but peaceful life with her husband, Takashi. However, three years into their marriage, her once-kind husband gradually grew distant. While she pretended not to notice, a cold loneliness began to blow through her heart. One day, while her husband was away on a business trip, Saori was suddenly attacked and raped by an intruder named Yashima. Taking advantage of the husband's absence, Yashima forced his way into her home and stayed. As Saori learns more about his background, things begin to take an unexpected turn...