Dong-ki's sexuality is burning with passion but he doesn't dare ask his innocent and pretty wife Ah-hyeon to fulfill them for him. However, his friend's wife Mi-ae is different. She loves risky sex and she approaches Dong-ki first. They fulfill each others' sex fantasy. Their relationship gets deeper once they become neighbors.
Sung-hyeon reunites with first love, Jin-hye at a class reunion.
After having a torrid affair with the son of a high-school friend who is twenty years younger than her, Seo-yeong worries over her relationship with her friend, and with her suspicious husband. He delves into his suspicions,. What will happen to their relationship?
