Kodama Rena and her husband live in a quiet residential neighborhood. With her husband constantly busy at work, their time together is limited, leaving Rena feeling lonely in her daily life. One day, she unexpectedly reunites with her college boyfriend, Atsushi. He asks her to get back together, but she refuses. However, he blackmails her with intimate gonzo footage they had shot together when they were lovers. Though Rena tells herself, "I'm only doing this because I'm being threatened," she gradually gives in to desire as the lust she sees through the lens awakens her body. Step by step, this passion leads her down a path from which there's no return.