The news from Ack-Ack HQ was grim. It was June 18, 1942, and Buck Ryan, Britain’s dashing super-spy, had discovered a
nefarious Nazi plot to invade Britain.
German sleeper agents were, Ryan explained to his British handler, preparing to act. At the appointed hour, they would emerge en masse across the UK with a devilish scheme.
The plan was simple, Ryan said, and relied on the element of surprise. But if it worked, Nazi airborne shock troops could land unspotted on British soil.
