Eddie Chapman was a charming criminal, a con man, and a philanderer. He was also one of the most remarkable double agents Britain has ever produced. In 1941, after training as a German spy in occupied France, Chapman was parachuted into Britain with orders to blow up an airplane factory. Instead, he contacted MI5, the British Secret Service. For the next four years, he worked as a double agent, a British spy at the heart of the German Secret Service....

After the fall of France in the mid-1940s, Adolf Hitler faced a British Empire that refused to negotiate for peace. With total war looming, he ordered the Abwehr, Germany's defense and intelligence organization, to carry out Operation Lena-a program to place information-gathering spies within Britain. Quickly, a network of secret agents spread within the United Kingdom and across the British Empire. A master of disguises, a professional safecracker,...