Hyuk and Kyung have their share of marital problems, one of them being a stagnating sex life. Kyung again rejects Hyuk's advances and Hyuk goes to bed feeling hurt and angry. The next morning, the couple discuss their problems and decide to take a romantic weekend trip to add fire to their marriage. But when Hyuk fails to perform, they are back to square one. The following Monday, Hyuk confesses his story to his colleague Woo. Woo suggests swapping partners by joining a secret club called Club Butterfly . Hyuk soon receives a mysterious email from an anonymous sender urging him to join this illicit club. Neither Hyuk nor Kyung knows what is in store for them.
When a teacher kidnaps a girl from a prestigious school, homicide detective Alex Cross takes the case, teaming up with young security agent Jezzie Flannigan, in hopes of finding the girl and stopping the brutal psychopath.
A socially awkward but very bright 15-year-old girl being raised by a single mom discovers that she is the princess of a small European country because of the recent death of her long-absent father, who, unknown to her, was the crown prince of Genovia.
When U.S. Rangers and an elite Delta Force team attempt to kidnap two underlings of a Somali warlord, their Black Hawk helicopters are shot down, and the Americans suffer heavy casualties, facing intense fighting from the militia on the ground.
The lifelong friendship between Rafe McCawley and Danny Walker is put to the ultimate test when the two ace fighter pilots become entangled in a love triangle with beautiful Naval nurse Evelyn Johnson.