Kumiko (Airi Kijima) is living happily with her husband. One day, an employee of the refrigeration company, came to introduce a promotion to reduce the price of air conditioners, Kumiko also seemed to like the price, but had to wait for her husband to ask. The husband saw the good price, so he told his wife to contact Shimosato to buy it, but who knew it was fate for his wife Kumiko, he pretended to be a gentle and kind electrician. And with his experience making love, Shimosato knew Kumiko was not satisfied for a long time, so he drugged her, then raped her, when she woke up, she tried to struggle but couldn’t get rid of him. And then in the days that followed, he continuously went to Kumiko to fuck his son,….