At the height of the War in 1943 British Intelligence receives a microfilm containing vital information regarding Hitler's so called vengeance weapons, the deadly V-I and V-2 rocket programme being conducted at Peenemunde in northern Germany. A brilliant young French scientist, Jean Giscard, had been forced to join the development project as his family came under ever increasing threats from the Nazis in occupied France. Before the War Giscard had...