The story centers on Operation Jupiter, the allies plan to free Norway from the Nazis. Only that Operation Jupiter, a real event, was a fake plan to draw Nazi forces away from the real fronts. Of course, Lt. Boyle does not know that. He is brought into General Eisenhower’s staff because of his experience as a police officer and being Ike’s relative doesn’t hurt either. As a former Boston cop, Boyle plays a fish-out-of-water in England.