After raising her son Kazuhiro alone for ten years, JULIA finally catches her breath—only to receive a confession of love from her son's friend, Takeshi. Convinced of his genuine feelings, JULIA seeks her son's approval and begins a relationship with Takeshi. A strange bond forms between the young man and the sexually frustrated married woman, whose incredible chemistry defies their age difference. They become obsessed with sex, indulging constantly in each other at her home, even with Kazuhiro present. Filling the gaps of everyday life, their unusual connection grows deeper and more intense.