The Berlin File

Jung Jin-soo (Han Suk-kyu), a South Korean intelligence agent, comes across an unidentifiable operative while surveilling a North Korean weapons deal in Berlin. The mystery figure is a North Korean secret agent, Pyo Jong-seong (Ha Jung-woo), whose information cannot be found on any intelligence database. Jung quickly goes after Pyo to unveil his identity but gets himself embroiled in a vast international conspiracy. In the meantime, another North Korean operative, Dong Myung-su (Ryoo Seung-bum), is dispatched to Berlin with a secret agenda to purge Pyo and take control of the North Korean embassy. Dong sets a trap to frame Pyo's wife, Ryun Jung-hee (Jun Ji-hyun), for treason. Pyo surveils his wife with hopes of clearing accusation against her but he plunges into deeper confusion when he discovers her secret...