Tokyo love affair

Nanako has an affair with two men, her boss Ozawa and Sasaki. He repeatedly has secret meetings with Ozawa at a hotel, and gets intensely entangled with Sasaki in an empty office... A man and a woman maintain a delicate balance in their relationship in the same office. However, one day, Ozawa witnesses Nanako having a secret meeting with Sasaki, and the balance collapses. Nanako is told by Ozawa that he cannot hold her. Sasaki continues to chase Nanako. The love between men and women living in the city rapidly intersects and changes...