Narration Demo

Transcript

Note: Transcripts are generated using speech recognition software and may contain errors.
By mid 1940 the German army had conquered all of Western Europe and Hitler began to tighten the noose around Britain. In the Atlantic, German U boats were decimating allied convoys threatening to cut off Britain's only lifeline. But Churchill had an unusual secret weapon, crossword fanatics, chess champions, mathematicians, students and professors, Americans and British. They were recruited with one common aim to unlock the secrets of enigma. A machine that concealed Germany's war plans in a seemingly unbreakable code. If enigma could be penetrated, everything Hitler plotted could be known in advance at Bletchley Park. There unfolded one of the most astonishing exploits of the Second World War.