Consumed by the jealousy and power struggles of their own relationships, a man, his mistress and his wife involve three children in their own games-with tragic results. After Sōkichi stops providing his mistress with monetary support, she leaves her three children with him, whom she insists are also his, and disappears. Sōkichi is bewildered and his wife is livid so with regard only for their own discomfort, they go about remedying their situation.