Nanami is a married woman who is in despair over her loveless marriage. Although Nanami is increasingly dissatisfied, she is drawn to the kindness of a young man who moves into the same apartment building. Feeling lonely and frustrated, the married woman seduces the young man and they become addicted to an affair... However, the married woman, drowning in love and sexual desire, begins to monitor and restrain the young man... her actions escalate.