Operation Chromite

South Korean Navy Special Forces, Captain Jang Hak-soo and seven members of the KLO (Korean Liasion Office) unit disguise themselves as a North Korean inspection unit and infiltrate the North Korean army command center in Incheon. Their mission directives from Gen. MacArthur are: 1. Recon enemy forces in Incheon and secure the mine chart, 2. Kidnap ‘Ryu Jang-choon,’ the second highest ranking officer in the North Korean command center, to acquire intel on the naval mine location and 3. On D-Day, light the Palmido light house as a signal to the main UN forces.

Despite growing suspicion from the brilliant tactician Commander Lim Gye-jin of North Korea’s People’s Army, Jang and his team successfully carry out their mission with the help of an underground information network. Then one day, their true identity is revealed and only a small number of Jang’s team manages to flee. While on the run, Jang meets Han Chae-sun, who works for a North Korean Forces’ hospital and is brainwashed. But as she decides to help out the KLO unit, they undergo various lethal situations together, which builds a strong connection between them.

Despite losing most of his teammates, Jang risks everything to kidnap Ryu, but his time is running out as the D-Day is fast approaching. One problem that prevents him from accomplishing his mission is the real identity of a secret base.
D-Day arrives and Jang must light the lighthouse by midnight and he knows he is at a point of no return. Only when it is lit will General MacArthur initiate the battle to take back Incheon. With everything they have, Jang and the KLO unit charge the lighthouse…