The Kodama couple live in a quiet residential area. The husband is busy with work, and the wife, Rena, feels lonely because they don't have much time together. One day, by chance, she encounters Atsushi, her college sweetheart. Rena refuses Atsushi's invitation to get back together, but he blackmails her with pictures of them having sex while they were together. "He's just blackmailing her because of the video..." she thinks to Kokoro, but she gradually gives in to the lust he conveys through the lens...