May, 1980. Man-seob (SONG Kang-ho) is a taxi driver in Seoul who lives from hand to mouth, raising his young daughter alone. One day, he hears that there is a foreigner who will pay big money for a drive down to Gwangju city. Not knowing that he’s a German journalist with a hidden agenda, Man-seob takes the job.

Six years ago a mysterious shooting takes place in Seoul. The after effects of the shooting results in Han-kyu Lee (Song Kang-Ho) losing his job at the NIS (National Intelligence Service). Six years later, Ji-won Song (Kang Dong-Won), an ex North Korean spy. now operates somewhere in the Seoul metropolitan area. As these two men hide their identities and work their particular angles, trouble brews again ....