Secret Reunion (2010)

North korean spy vs south korean intelligence officer.

Two spies share a secret bond, despite their loyalties. A North Korean assassin is sent to Seoul to kill a dissident, but instead he teams up with a South Korean agent in search for revenge.

Genres: Thriller, Action, Drama

Stars: Song Kang-ho, Gang Dong-won, Jeon Kuk-hwan, Park Hyuk-kwon, Yoon Hee-seok