Sayuri, the wife, married Hiroki, who is a whole year older than her, despite the opposition of those around her. Her stepson, Hiroshi, has not been able to forget his late mother and is unable to accept Sayuri as his mother. Hiroshi begins to harass Sayuri, trying to somehow drive her out of the house. Sayuri believes that it's a kind of rebellious phase and that they will become closer over time, so rather than getting angry, she tries to accept everything, but...