John Jack is an American spy working for the French Foreign Legion during World War II. Diana Reeves, another undercover American spy, is sent on a dangerous mission to stop Adolf Hitler and the powerful Nazi force behind him and under his command. During this time, a soldier named Derek De Marney, gets caught in the middle and surrounded by the enemy which then entangles John in Diana`s mission to save The White Stone of Mecca and keep it out of the wrong hands.