The GP is a sentry in the most advanced alert zone of the unarmed zone on the side of the rest line, a remnant of the troops left after the Cold War. [Expand All]
< p> The GP is a sentry in the most advanced alert zone of the unarmed zone on the side of the rest line, a remnant of the troops left after the Cold War. On a rainy night in May 2007, all 20 members of GP506 were killed by a soldier. As the captain of 506 was the son of the chief of the general Staff, the military was highly concerned about the incident and dispatched Detective Lu (played by Chun Ho-jin) to investigate the truth of the matter within one night. That night, the search team entered the guard battalion stationed at 506. Apart from the surviving suspect soldier Kang Chun-won (played by Lee Young-hoon), one of the 20 corpses was missing. The search team discovered a survivor who claimed to be Captain of 506, Lieutenant Yoo (played by Jo Hyun-jae), who was still in a state of shock and refused to disclose any details of the incident. However, heavy rain blocked the way. Lieutenant Liu, unable to leave the guard camp, had no choice but to describe the hidden situation of the virus infection among the members of Post 506. It turned out that some members of the team contracted an inexplicable infectious disease that made them extremely aggressive after being infected. The team leader refused to report it in order to keep his position, which triggered a mutiny among his subordinates and eventually led to a massacre... < /p>[Collapse]
