One day, Yuko's husband, Masaki, is suddenly hospitalized due to a herniated disc. In the hospital room, middle-aged man Hamada becomes captivated by Yuko's beauty and takes advantage of Masaki, who is unconscious from anesthesia, raping her right in the hospital room. Worried about Masaki's recovery and unable to seek help, Yuko suffers in silence. After being discharged earlier than Masaki, Hamada sneaks into Yuko's home repeatedly, continuing to assault her. Her growing fear and anguish deepen the tragic narrative.