Megumi, a wife, lives with her father-in-law at her husband's parents' house. Her father-in-law is still active in his late fifties, a physically demanding man who works hard as an interior decorator at a construction site. Megumi diligently does her housework, but deep down she feels disgusted by her father-in-law's vulgar and rough speech and the blatantly sexually harassing looks he gives her. "Well, don't say that. My father doesn't mean any harm," her husband laughs. But then, one day...