Satomi, a young and beautiful wife, has remarried and lived happily with her husband and stepchild Akio, but recently her son-in-law Akio has been acting strangely. He suddenly stands behind Satomi and tries to hug her... She tried to think that it was just her imagination that she couldn't get her to talk to her husband, but... At that point, Akio is attacked when he comes across Akio masturbating in Satomi's underwear.
