Yuki works as an OL at a travel agency even after getting married. Her husband has been single for three years, and Yuki, who has been living alone since then, has an affair with her boss Nakazawa because of loneliness. However, Nakazawa also has a family and when his wife becomes pregnant, he begins to distance himself from Yuki. Yuki is cold and hurt by Nakazawa, who has loved him from the bottom of his heart, even though it was an affair. And in order to make him turn around again, Yuki has relationships with other employees as if to show off.
