A peaceful life has passed, and the wife, Mai, is being driven to the brink of divorce. Her husband, Kenichi, has an affair with a woman from a snack bar, who even hits on their son, Shunwa. If things continue like this, she will lose not only her husband but also her beloved only son… In this desperate situation, Mai's mind begins to unravel. To keep Shunwa by her side, Mai surrenders herself to forbidden acts…
