Yuji, a university professor, married Reiko, the dean's daughter, in order to become an associate professor. However, he secretly continued an affair with Mai, his research assistant. While Yuji was enjoying his affair with Mai, Reiko was also secretly meeting with Shingo, her first love whom she had reconnected with at a class reunion. On her way home, Reiko, driving alone, hit a man who suddenly jumped in front of her car...

Ten years into her marriage, Tokieda was still caught up in a hollow feeling even while in the arms of her husband Koji. She had long since noticed her husband's infidelity, but she couldn't bring herself to blame him. When she thought about her life after the divorce, she couldn't take any drastic action. Then, by chance, Tokieda became addicted to an affair with a boyfriend from her school days, and she became immersed in the world of carnal desire...

Masaya, an individual FX trader, goes bankrupt due to the stock market crash and returns home. Masaya was trying to rely on his grandfather, who owns a lot of real estate in the region, but his grandfather, whom he met for the first time in years, was living in need of visiting nurses. Her grandfather's nurse, Marie, is a beautiful woman who doesn't seem to stand out...

Ai, an office lady, is raped by her boss, Hase, at a New Year's party at work. Hase's wife, Hinako, mistakenly believes Ai to be her husband's lover and goes to her apartment with a knife, but accidentally stabs Ai's live-in partner.