A peaceful life with her husband. But that life changes when she meets Sawamura, an exterior construction worker. Attracted to him from the first time they met, Hitomi takes the plunge and uses her key to seduce him. The man and woman passionately desire each other without many words. Eventually, the two of them climax violently and madly. When her husband goes on a business trip, they take their time and indulge in a passionate affair...