(Korean; English subtitles) In the final decisive battles of The Korean War, the battle-worn armies of North and South Korea face a brutal deadlock on the rugged Aerok Hills. Amidst fears of treachery and collusion with enemy forces, a veteran intelligence officer discovers mysterious and tragic occurrences surrounding a former comrade he had long thought dead. In the epic battle for survival that follows, the two men become locked in a deadly battle of wills. Ultimately, both will be forced to fight side-by-side, so their loved ones can enjoy freedom for just one more day.