Paris, 1944: The war is nearly over, but for members of the Resistance in occupied France, it is more dangerous than ever before. Twenty-five-year-old Gabby Foucher loathes the Nazis, though as the concierge of 10 rue Royale, she does her best to avoid conflict - unlike her bolder sister Yvette, who finds trouble at every turn.

World War II London: When Victoire “Paddy” Bennett first walks into the Admiralty’s Room 39, home to the Intelligence Division, all the bright and lively young woman expects is a secretarial position to the charismatic Commander Ian Fleming. But soon her job is so much more, and when Fleming proposes a daring plot to deceive the Germans about Allied invasion plans he requests the newlywed Paddy's help. She jumps at the chance to work as an agent in the field, even after the operation begins to affect her marriage. But could doing her duty for King and country come at too great a cost?

Sophie was born to be a rebel, raised by parents who challenged the brutal Nazi regime. Determined to follow in their footsteps, she leaves for university, defying Hitler’s command for women to stay at home. She knows instantly that she isn’t alone, that there are more courageous souls like her who will fight against evil. But it is only a matter of time before the Gestapo closes in.... And when Sophie is imprisoned in an interrogation room, staring a Nazi officer in the eye, will she take their secrets to her grave?

She steps into the room and it’s like going back in time. Catapulting her right into the heart of the 1940s. The spindle of the record player frozen and ready to play. The flowery wallpaper faded but intact. A soldier’s uniform pressed and hung on a door, coal still in the fireplace.

When an impossibly shy young woman named Judy Morgan finishes her studies in Physics at Cambridge University, it is with dreams of changing the world for the better. Meanwhile, a beautiful, young Jewish woman decides to flee her beloved Austria, changing her name to Hedy Lamarr, and risking everything to get to America, as far away from the Nazi threat as possible.