Deep within the steaming tropical jungles of Vietnam is a Viet Cong terrorist training camp, run by an ex-Green Beret, William Marshall. A roving photographer stumbles upon the hidden camp and starts to take pictures. He is caught and summarily executed but the photos make it back to Washington. The CIA decide to send in an elite team of jungle warfare commandos, the Phantom Raiders, to establish whether Marshall is a POW or has gone bad. But another element has been added to this dangerous game...