Director : Kim Jae-Soo
Cast : Kim Young-Ho, Yoon Dong-Hwan, Kim Li-Woo, Ah Ni-Ta
Plot : Hyuk wants to have sex, but his exhausted wife Kyung just wants to sleep, so she brusquely rejects her husband's desire. The next morning, they talk about their sex troubles on the way to work. They decide to plan a special weekend trip. Upon returning from their weekend trip, they still have troubles; and they continue to worry and think about their sex life. Hyuk is talking with his friend and superior, Woo, who always seems perfect. He tells him of his failed weekend trip with his wife. Woo has a solution for him: it involves exchanging wives; however, the rules of the game must be followed. Then one day, Hyuk receives an email: "Let's join the swapping club..."