Maika, a wife whose peaceful life has been forgotten, is now in the worst situation, on the brink of divorce. Her husband, Kenichi, is having an affair with a woman who works at a bar, and she is also making advances on their son, Toshikazu. If things continue as they are, not only will she lose her husband, but her beloved only son as well... This desperate situation is driving Maika crazy. In order to keep Toshikazu by her side, Maika gives herself over to a forbidden act...