A WW2 espionage thriller based on a true story and set during the build-up to Operation Overlord. Six days before D-DAY, Victor Lawrence, a lieutenant, and key figure in the British Air Force, is shot down over France. Captured by the Nazis, he is detained in a holding camp under a false identity. John Seabourne, a special forces operative, is given the mission to parachute into France, join with local French resistance and rescue Victor before the enemy discovers his identity.