Set during the Korean War and 3 days before a truce takes place. Nam Bok is a South Korean soldier who was a simple farmer before his conscription into the military. He receives an order to deliver a top-secret document at a set time and place, but an attack by the North Korean army causes him to lose the document. Meanwhile, Young Gwang is a North Korean soldier, part of a tank crew. While heading to the South, his team is bombed and he is the only one left. He is about to return home, but he happens to come across a top-secret document. The two men face off in the western front alone.