Chihiro lives with her husband's stepson Ryota while her husband is often away on business. However, Ryota doesn't warm to her, and Chihiro is troubled by this. Her anxiety leads her to indulge in extramarital sex, but Ryota takes a video of the affair as evidence. He threatens Chihiro and trains her. He forces her to give him a blowjob, uses toys on her to make her cum... His rampage continues and she is finally raped and tortured...
