Fumiko, the mother of her husband who died early and raised her son Naoki with a single woman. With Monko, who poured a generous affection for Naoki, the gift of love with her husband, and now she has to support her mother... Naoki is born in the love of dedication. The two of them realize each other’s feelings and eventually develop into a distorted relationship between love and greed, beyond the line of mother and child.