North Korea's 8th Special Forces hijack a shipment of CTX, a potent new liquid explosive, and threatens South Korea as part of a plot to re-unify the two countries. Ryu and Lee, special agents of O.P., South Korea's secret intelligence service, attempt to track down the terrorists and find the CTX. Meanwhile Hee, the 8th's ultra-bad female sniper, resurfaces to wreak havoc and haunt Ryu.
Returning home and finding his town drastically changed, a former soldier falls in with gangsters.
Burnt-out transit cop Jay forms an unlikely alliance with pickpocket Kay to stop a terrorist hijacker from blowing up a subway car during rush hour.
