Spring 1941. Britain, standing alone since Dunkirk; Russia, on the brink of entering the war; America, struggling to stay neutral. And in Germany, after ten years spying for the Americans, Wolfgang Stahl disappears during a Berlin air raid. The Germans think he's dead. The British know he's not. But where is he? MI5 convince US Intelligence that Stahl will head for London, and so recruit Englan...