Wife Airi leads a modest but happy life with her husband. One day, a man named Nakata, who claims to be a jewelry dealer, visits her door-to-door to sell jewelry. Nakada accuses her of "replacing" a brooch he gave her as a trial with a fake one, and presses her into running a back-alley sex business out of her home. However, she is soon awakened to the pleasure of being mauled...
