On a freezing night in January 1941, a little Jewish girl is found on the steps of an apartment building in Bucharest. With Romania recently allied with the Nazis, the Jewish population is in grave danger, undergoing increasingly violent persecution. The girl is placed in an orphanage and eventually adopted by a wealthy, childless couple who name her Natalia. As she assimilates into her new life, she all but forgets the parents who were forced to leave her behind. They are even further from her mind when Romania falls under Soviet occupation.

Nineteen-year-old Libby moves to Berlin to escape her suffocating family - but instead of offering freedom, the city is under siege by the Nazis. Jewish books are burned, storefronts smashed and every day innocent people vanish into thin air. Libby cannot - will not - turn a blind eye. When Libby meets Harro, she knows there’s more to him than his dazzling smile and cornflower-blue eyes. The whip marks on his back, scars from the SS, tell his true story: He is a resistance fighter.

Berlin, 1944. ‘It is a great honour to have you here, Herr Hitler.’ Lili doesn’t stumble over the lie, her hand steady as she pours champagne. Everything must be perfect, no one can suspect a thing… Lili Rodenberg and her husband Marius run the Edel, Berlin’s most glamorous hotel. For its wealthy guests, it is an escape from the destruction outside, with its elegant piano bar and fine amber brandy. But Lili is Jewish, a secret she is terrified will end in tragedy for her and their beloved little girl.

Berlin, 1942. "All I know is we will survive this together," he says before kissing the tears away from my cheeks. But I know if the Nazis discover what we’ve done, how we’ve conspired against them, we will die together. Deaf since the age of five, Mina has had to fight for everything she has, including her place at an Austrian university to study physics. She has never felt accepted—until she meets fellow student Siggy, and her heart stops at the kindness in his bright blue eyes.

Germany, 1939. A tumbledown farmhouse, on the outskirts of a close-knit village in the heart of the rolling hills of Bavaria. A once happy family home torn apart by Nazi rule. And one young girl who refuses to give up on what she believes in...London, 2018: When 94-year-old Imogen receives a letter addressed to her in neat, unfamiliar handwriting, she notices the postmark is stamped from Germany - and it sends shivers down her spine....

In Nottingham, England, widow Emma Taylor finds herself in desperate need of a job. She and her beloved daughter Olivia have always managed just fine on their own, but with the legal restrictions prohibiting widows with children from most employment opportunities, she’s left with only one option: persuading the manageress at Boots’ Booklover’s Library to take a chance on her with a job.

Dachau, 1942. Emilie has been told she's here to nurse evil men. But the first patient she sees in the cold, dark room is hauntingly familiar. Her first love is not wicked. He couldn't be. What is he doing here? Emilie's heart stops as she takes in her childhood sweetheart hunched in a tattered prisoners uniform, the light lost from his face. Her new husband, Otto, said this was a camp for criminals. He should know, he's the doctor. But Danner would never have broken the law.

Champagne, 1939. Gabrielle Leblanc Dupree is taking her family's future into her hands. While she should be preparing for a lavish party to celebrate two centuries of champagne making, she secretly hides Chateau Fouché-Leblanc's most precious vintages behind a fake wall in the cellar in preparation for the looming war. But when she joins the resistance, the coveted champagne isn't the most dangerous secret her cellar must conceal.

As children, Eva Rosselli and Angelo Bianco were raised like family but divided by circumstance and religion. As the years go by, the two find themselves falling in love. But the church calls to Angelo and, despite his deep feelings for Eva, he chooses the priesthood. Now, more than a decade later, Angelo is a Catholic priest and Eva is a woman with nowhere to turn. With the Gestapo closing in, Angelo hides Eva within the walls of a convent.

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.