Hamburg, 1942. Seventeen-year-old Anna knows she can never tell her proud parents the truth about where she is going. She must hide the fact that she is pregnant, that the father of her unborn child is dead, and that she is on her way to a special maternity home, where her baby will be given to a perfect family. She tells herself that this is the best solution. She doesn’t expect to feel the rush of love for her beautiful baby boy in the white blanket or the devastation when he is snatched from her, never to be seen again.

Berlin, 1936. The Landau family are at the heart of their community, running a music shop in Berlin and just trying to survive. But their lives are unravelling as Hitler's power increases and the treatment of Jewish families deteriorates. Eldest daughter, Rachel, fears for her sisters' future and will do anything she can to keep them safe. Will she find hope in the darkness? Paris, 1936. As whispers of war travel over from Europe, American debutante Kay escapes her mother's grasp and travels as a reluctant spy from Paris to Berlin.

Italy, 1943. For Carmela del Bosco, a farm girl in a remote Italian village, sheltering an English spy is the most dangerous thing she could do. If she’s caught by the fascists, it would be the end, especially for her beloved grandmother sleeping soundly upstairs. But taking in the pleading brown eyes of the man calling himself Sebastiano slumped at her door, and his terrible injuries inflicted by the Nazi occupiers, Carmela remembers how Nonna always taught her right from wrong. Risking everything, she hides him in a ruined tower on the edge of the farm.

France, 1942: When Kasia is told she will be smuggled out of Poland to work as a radio operator with a French Resistance group, she plans to make the dangerous journey across the border alone. But when she meets a mute girl who she names Elodie, in a ghetto in Warsaw on the eve of her departure, she reminds Kasia so strongly of someone she loved–with one brown eye, and one green–that she knows she can’t leave her behind, no matter the risk....

Since her husband, Josef, joined the Czech resistance three years ago, Anna Dankova has done everything possible to keep her daughter, Ema, safe. But when blonde haired, blue-eyed Ema is ripped from her mother’s arms in the local marketplace by the dreaded Brown Sisters, nurses who were dedicated to Hitler’s cause, Anna is forced to go to new extremes to take back what the Nazis have stolen from her. Going undercover as a devoted German subject eager to prove her worth to the Reich, the former actress takes on a role of a lifetime to find and save her daughter.

As bombs fall across Europe, fourteen-year-old Lien Vinke fears that the reality of war is inescapable. Though she lives a quiet life with her mother and older sister, Elif, in their small town of Haarlem, they are no strangers to heartache, having recently suffered an immeasurable loss. And when the Nazis invade the Netherlands, joining the Dutch resistance with Elif offers just the atonement Lien craves.

It was a misty Wednesday morning. Inside the Gestapo headquarters, you could cut the tension with a knife. There was a traitor in their midst: Someone had leaked a list of the SS to the British press. The head of the Gestapo called me into his office. Panelled oak walls, a grand piano in the corner, rugs lining the floor—the place where he ordered executions every day.

The cattle car is dark, except for the light filtering through the boarded windows. There are too many of us to count, crushed up against each other. The air is stuffy, carrying the scent of our terror—none of us know what awaits us when this train stops. I cling onto Mama’s hand and Nora, my twin sister, clutches Papa’s.

Paris, 1943. German soldiers drag me out onto the cobbled street and push me toward the waiting truck. I force myself to face forward as tears stream down my cheeks. If I look back, they’ll know. I can’t let them find my baby girl....

London, 1941. The Blitz. When a Royal Navy memo arrives at head office, requesting female recruits to sign up as motorcycle dispatch riders, delivering highly classified orders across the country, three women jump at the chance to sign up for the most dangerous jobs in London.

1997. Amy Novak has lost the two great loves in her life: her husband, Michael, and her first love, music. With the first anniversary of Michael's death approaching, Amy buries herself in her job as an archivist. And when a newly declassified file lands on her desk, she is astonished to uncover proof that Agent 'Colette' existed—a name spoken only in whispers; an identity so secret that it has never been verified.

July, 1940. Blitz-ridden London: Marnie Fern’s life is torn apart when her grandfather is killed in an air raid. But once she discovers that he’d been working undercover as a radio operative – or pianist – for the Dutch resistance, Marnie knows she must complete his mission – no matter the cost. Nazi-occupied Amsterdam: At the other end of the wireless, fellow pianist Corrie Bakker is caught in a dangerous game of cat-and-mouse as she desperately tries to keep her loved ones out of the line of fire – even if it means sacrificing herself.

As England prepares to fight the Nazis, three very different women answer the call to mysterious country estate Bletchley Park, where the best minds in Britain train to break German military codes. Vivacious debutante Osla is the girl who has everything - beauty, wealth, and the dashing Prince Philip of Greece sending her roses - but she burns to prove herself as more than a society girl, and puts her fluent German to use as a translator of decoded enemy secrets.

In enemy-occupied Paris, as the locals go to bed starving and defeated by the war, music and laughter spills through the door of a little restaurant, crowded with German soldiers. The owner, Marianne, moves on weary feet between its packed tables, carrying plates of steaming, wholesome food for the enemy officers. Her smile is bright and sparkling, her welcome cordial. Nobody would guess the hatred she hides in her heart. That night, the restaurant closes its doors for the final time.

Ana Kaminski is pushed through the iron gates of Auschwitz beside her frightened young friend Ester Pasternak. As they reach the front of the line, Ana steps forward and quietly declares herself a midwife--and Ester her assistant. Their arms are tattooed and they’re ordered to the maternity hut. Holding an innocent newborn baby, Ana knows the fate of so many are in her hands and vows to do everything she can to save them.