In 1966, a group of battle-weary American gis trekked through the vietnamese jungle knowing each step could mean facing The Enemy's guns. But instead of ambush, they stumbled upon a hidden treasure beyond their wildest d...In 1966, a group of battle-weary American gis trekked through the vietnamese jungle knowing each step could mean facing The Enemy's guns. But instead of ambush, they stumbled upon a hidden treasure beyond their wildest dreams. It was a discovery that exacted a terrible cost.