Movies / The Secret Reunion (2010) aka Ui-hyeong-je

When North Korean secret agent Ji-won crosses the 38th Parallel on a mission, the National Intelligence Service (NIS) led by Han-gyu intervenes, and a shooting rampage ensues in the heart of Seoul. For the incident, Han-gyu is fired and Ji-won is deserted by his agency. Six years later, the two meet by chance and start a business partnership, each with the intention of stealing information from the other.