A fact finding mission led by US Army Special Forces Capt. Mack Gerber is dispatched to the tiny hamlet of Plei Soi to determine the future of Camp A-337. The Americans find the village completely deserted with most of the inhabitants killed. - At nightfall comes a blistering rocket and mortar attack that pins down the team. They repel the initial assault, but it quickly becomes obvious they are out gunned with no hope of air support...