An insidious stalker who targets Yuki (Kimi and Ayumi) who are living a happy married life. Under the guise of an electrical inspection, he installs a wiretap in the house and eavesdrops on the couple's conversations. In anticipation of her husband's business trip, a man takes her body and stays at her house. Yuki's body gradually changes contrary to her reason in the days of being fucked. Although Yuki is tormented by her guilt, he becomes captivated by her body. The shaking of a married woman's heart who betrays her husband.
