The story of the boffins and experimenters who developed the first workable radar system, just in time to help defeat the Nazi attacks in The Battle of Britain.
The story of the Nazi heavy cruisers and battleships during World War II and particularly the Bismarck. How she managed to get into the Atlantic and the steps taken to defeat her.
The story of the men that cracked the Nazi's Enigma code. From the Polish mathematicians who made the first breakthroughs to the establishment at Bletchley Park and the work of Alan Turing and many others.
The story of R J Mitchell and his team, who developed the Spitfire just in time to defeat the Nazi attacks during the Battle of Britain, despite Mitchell's rapid deterioration due to the cancer that killed him.
The story of Ewen Montagu and Operation Mincemeat, where the Nazis were fooled into thinking that the initial landings on the European mainland would be through Greece rather than Sicily and Italy.
The story of the blitz on Britain and how the Nazi bombers were guided to their targets by electronic beams. Then how this was defeated in The Battle of the Beams by Dr R V Jones and the team from British Air Intelligence.