Due to her husband Hiroki's busy work schedule, wife Konatsu is always left alone. For her, the only support is her father-in-law, Kousaku. Even on her wedding anniversary, Hiroki leaves her to spend time with his father instead. Konatsu begins to develop feelings for her caring father-in-law that go beyond family bonds. The next day, Konatsu visits Kousaku's house and exposes herself helplessly before him. This story portrays Konatsu's inner conflict and the deepening relationship between her and her father-in-law.