What if I told you that a new conflict will sweep the globe in less than a year? It will open not with gunshots but with silent, shadowy espionage. The man who will kick off the Cold War is a quiet Canadian pilot, millionaire, and spymaster. A trusted aide to Churchill and FDR. I bet you haven't heard this name before. William Stephenson.

Should spies be suave gentlemen or streetwise crooks? Today, Astrid and Anna introduce you to two of MI6's original gangster spies, Walter Dicketts and Arthur Owens. They quickly bring some impressive results. But, the thing about criminals is that it can be hard to trust them. Just a couple of years into the war, MI6's Double Cross System might be in a lot of trouble...