An undercover cop has his loyalties tested when the boss of the corporate gang he's spent years infiltrating dies.

Hell-bent on avenging the murder of his family, a former detective infiltrates a remote island that serves as a prison for vicious death row criminals.

A hitman accidentally kills a little girl. Filled with regret, he wants to quit. But then to tie up loose ends, he is forced to go on another job, to kill the girl's mother.

A former boxer turned parking lot attendant finds hope in the love of the blind telemarketer who walks into his booth one day.

Chinese secret agent Da-hee receives intel that a large number of illegal firearms are being smuggled into Korea and is sent to investigate the case. She meets Su-han, who is supposed to help her with the case, but due to his lackluster skills they fight over trivial things. But as their witnesses are suddenly murdered, the two of them quickly become the prime suspects.

Sun Woo comes from a poor family background. She was once a promising Taekwondo athlete, but she now works part-time jobs to support herself. One day, she is is selected to become the stand-in for Ji Yeon due to their similar appearance. Ji Yeon is the granddaughter of Beomhan Construction Company's chairman. She was the driver of a fatal hit-and-run car accident. Sun Woo must play Ji Yeon in front of the public and media. Meanwhile, Sun Woo becomes the target of Ho Joong’s hostility. Ho Joong is Ji Yeon’s stepbrother and he has an inferiority complex over Ji Yeon. He wants to become the successor to Beomhan Construction Company.

Having the perfect face and the perfect figure, Yun-Bin is a super star loved by the country. One day, a suspicious girl kidnaps the nation's star and demands 1 million dollars in exchange. The CEO of Yun-Bin's management company, HAN Chul-Ho, tries every means to save his actor, hiring gangs and using GPS, but fails. Meanwhile, a reporter who's been digging Yun-Bin's drug scandal is also captured by the same kidnapper. Will the two, so to speak, enemies be able to collaborate and escape from this weird girl?

At some point, they dreamed of becoming a part of the national taekwondo team, but now, they have surrendered to reality. There were three friends, Hoon-i, Seong-ho, and Tae-yeong.