In 1944 the Allies knew that they must invade Occupied Europe to free millions from Nazi tyranny. But the Nazis knew they were coming. The only question was when the attack would take place, and where. This programme reveals the inventive and often bizarre methods that were used to mislead the Nazis. Double agents spread bogus invasion plans, fake armies were mustered in the south of England and elaborate methods of breaking through Hitler's Atlantic wall were developed.
