The movies follows the incident knows as the second battle of Yeonpyeong which happened in 2002.

Ji-hyuk is an expert safe-cracker who lives the highlife stealing antiques and jewelry with his team. CHO, a powerful and cruel gang boss threatens them to steal $150 million with him. Ji-hyuk plans to get revenge on CHO, but ends up falling into his trap. However, CHO later realizes it was all part of Ji-hyuk’s scheme. When Ji-hyuk, who was thought dead, reappears, hidden secret relations between the technicians also surface.

As a North Korean sleeper cell agent, Ryu-han infiltrates the South and assumes the role of a village idiot in a rural town. He observes the townsfolk and waits patiently for his mission. One day, after 2 years of playing the role of the village idiot, fellow elite spies Hae-rang, posed as a rock star and Hae-jin, posed as an ordinary student, are dispatched to the same town as Ryu-han. He helps the other two spies settle in and teach them how to adjust in the South. There is a sudden drastic political power shift in the North and all three spies receive an urgent and ultimate mission.