A sinister stalker man targets Yuki(Kimito Ayumi), who lives a happy married life. Under the guise of an electrical inspection, he sets up a wiretap in the house to eavesdrop on the couple's conversations. Taking advantage of the husband's business trip, the man takes Yuki's body and stays in the house. As Yuki is violated every day, Yuki body gradually changes, contrary to her reason. Yuki is tormented by guilt, but she becomes Yuki by her own body... The Kokoro turmoil of a married woman who betrays her husband.