32 year old secretary Mitsuko (Yoko Moriguchi) lives a simple life devoid of ambition. She refuses to to take the civil service exam that is required for her to climb up the public service ladder. At work (City Hall), she meets Eiji, a rich, arrogant and newly divorced businessman who is intrigued by her self-contained presence. The relationship doesn't last long, for Eiji forces his posh lifestyle on Mitsuko, who begins to feel very uncomfortable with it. She calls off their relationship and leaves a riddled Eiji behind. While Eiji ponders the reasons of the breakup, Mitsuko goes on with her social normal lifestyle, just living her life, until she meets a young man at the supermarket, who turns out to be her new neighbor who just moved in. Hiroshi a toned down young care fee guy becomes the new lover of Mistuko, and they click well. However Eiji can not let go and when he confronts Mitsuko with the breakup in front of Hiroshi, Hiroshi becomes fascinated and intrigued by Eiji's decadence and social status.