For three years she has devoted herself to her husband, only to receive cold treatment while he keeps coming home late. Her live-in father-in-law Toru worries about her and is always willing to listen. When she discovers her husband’s affair, she runs away and collapses on a park bench, where Toru finds her. Having endured betrayal and divorce himself, he understands her pain and comforts her with genuine tenderness. Overwhelmed by emotion, she suddenly presses a fierce kiss to his lips, beginning an intimate affair under the family roof.