A group of American college students embark on an expedition looking for gold in the war-torn jungles of Vietnam. Their dreams quickly unravel when an unplanned detour leaves the group lost and wandering where many before them have mysteriously vanished without a trace. A terrifying night-time encounter makes them realize they are not alone. Tensions mount, as they try to figure out if they are being hunted or haunted. Echoes of the Vietnam War follow their every step through the battle-ravaged jungle. Will they find a way out or will they become the latest victims of a savage and bloody war?