Married woman Natsume was struck by the gaze of the apartment neighbor's man. She can't get him out of her head and she dares to drop her key and teasingly seduces her. Her feelings of attraction become intertwined, and finally she surrenders to her impulses. A man and a woman who drown in sex that is violently greedy with few words. When her husband goes on a business trip, he takes his time and indulges in sex.
