Attempting to cut off a shipment of supplies, the men of the 23rd face a fateful choice: will they cross the forbidden border into Cambodia or be killed by the Viet Cong convoy they've ambushed?

Attempting to cut off a shipment of supplies, the men of the 23rd face a fateful choice: will they cross the forbidden border into Cambodia or be killed by the Viet Cong convoy they've ambushed?