One year after remarrying, Rieko is an obedient wife in front of her husband Tatsuo. However, their son Kenta seems to dislike Tatsuo... To Kenta, Rieko is not just a mother but a woman. He often secretly releases his excess sexual desire beside her while she sleeps. Although noticing this, Rieko pretends not to know. But feeling too sorry for his resolute actions, they eventually have a relationship. Knowing it's an incestuous act, their raging desires show no signs of stopping...
