It was a tennis circle that was invited for a change of pace, but Kana who got along with the coach more than playing tennis brought the coach to his house every day and enjoyed the meeting because his husband was absent.In her neighborhood, the wife who has a reputation for being serious and quiet seems to be sexless and hungry for her loneliness, and she vents her lust with an affair with a coach.However, she is suspicious when she is seen many times taking her to her caretaker who has Kana's favor.And she finally witnessed the cheating scene ….