Jang Choon-dong is a traffic officer who aspires to become a homicide detective. He is assigned to go undercover to infiltrate a gangster network. Meanwhile, Lee Joong-dae, a member of Kwang-seob's gang, goes undercover himself by joining the police force. Joong-dae tries hard to gain favor with his squad leader in an effort to expose Choon-dong's identity.

Credits

Kim Dong-wonDirector

Jung Jun-hoJang Choon-dong

Jung Woong-inLee Joong-dae

Jung Woon-taekMoon Dong-sik, aka Dae Ga-ri

Han Go-eunCha Se-rin