The stories of History's Ultimate Spies are woven around many notorious plots and infamous characters, and they'll feature in a series that delves into the psyche of the men and women who set up the networks - or destroyed them.

As U.S. troops storm the beaches of Normandy, three brothers lie dead on the battlefield, with a fourth trapped behind enemy lines. Ranger captain John Miller and seven men are tasked with penetrating German-held territory and bringing the boy home.

Set during the 1960s in the fictional North Yorkshire village of Aidensfield, this enduringly popular series interweaves crime and medical storylines.