Emi lives with her husband, who runs a car factory, and her father-in-law. Due to the economic downturn, the company's management has been struggling, leading to a sexless marriage. In her prime, Emi craves physical intimacy. One day, while commuting on a crowded train to her part-time job, Emi experiences her first groping incident. There, she feels a lust that surpasses fear. On another day, Emi encounters a groper again and discovers the surprising identity of the perpetrator…
