Lonely Jung-wook is looking for a woman to talk to even when he goes out for a walk in the neighborhood. Then, the back of a beautiful woman caught my eye. As she approaches her, the woman is none other than her ex-girlfriend, Ji-hyeon. Ji-hyeon is happy to see Jung-wook like that, which she has never seen before, and she begins to talk after a long time. The two, who were immersed in memories and enjoyed, eventually have sex. Jung-wook wants a new relationship with Ji-hyeon for a moment, but Ji-hyun clearly draws her line. Jung-wook, who is heartbroken, tries to talk to the woman he met on the way home again.