Chitose is overwhelmed with caring for her father-in-law. Even after several years, she continues to feel uneasy about his lingering gaze. When she tries to confide in her husband, he dismisses her, claiming she's just tired, while her father-in-law grows increasingly bold in his physical advances, leaving her frustrated and disturbed. Despite herself, Chitose begins to notice the strange fascination he holds for her body. Gradually, she starts to open up emotionally, and their relationship takes an unexpected turn...