Vanessa Kirby meets Pat and Jean Owtram, two British sisters who played crucial roles as Allied codebreakers during World War 2. Bound by the Official Secrets Act, neither sister knew that the other was a spy until decades later. Now in their 90s, they reveal their hidden hands in planning D-Day, aiding the Resistance, and cracking the Enigma code. Tune in to True Spies to hear their story. Would YOU have the skills to make a difference? From SPYSCAPE, the home of secrets and skills. A Cup And Nuzzle production. Series producer: Gemma Newby. Produced by Mariana Des Forges. Music by Nick Ryan.