As a new team of Allied agents face a terrifying first mission, Camp X's spymaster Duncan Sinclair must convince a fragile young man with a perfect memory to join the fight.

It's a trial-by-fire first mission for Alfred as the team parachutes into France. Their mission: to penetrate a German headquarters and steal codes that could save thousands of British lives.

The team infiltrates a brothel and a Gestapo headquarters as they battle to stop atomic research from falling into the hands of the Nazis. Meanwhile, things get personal for Aurora when she learns the tragic fate of her lover.