When Sophie Weiss boards the SS St Louis, she has no reason to stay in Germany. The Nazis have taken everything from her, and her only hope is escape. But when she meets fellow Jewish refugees Rosa, Hannah and Rachel on board, the friendship they form gives Sophie hope that there can be happiness in her future, after all.

When beautiful, shy Edith married her elegant banker husband, Julius, she believed that their union would be forever. In spite of her humble background, they have loved each other since the minute they met at a dance. As she learns how to behave in the high-society world Julius has opened to her, she is determined to enjoy every moment. But the Nazi party is growing in power, and her marriage comes under increasing strain. Julius is of Jewish origin—and even some of Edith’s closest family believe their relationship is an abomination, demanding she divorce him.

Pearl has given up on her dreams of being a journalist after being denied a promotion because of her gender. Joining the WAAF as a radio telephone operator for Bomber Command, Pearl's new job at RAF Fenthorpe serves two purposes – providing an income for her grandmother, and keeping a close eye on her younger sister, Thea, an instrument repairer at another Lincolnshire bomber station.

The occupation has taken much from the Cotillard sisters, and as the Germans increase their forces in the seaside town of Boulogne-sur-Mer, Gabriella, Martine and Simone can’t escape the feeling that the walls are closing in. Yet, just as they should be trying to stay under the radar, Martine’s discovery of a British messenger pigeon leads them down a new and dangerous path.

It was the day that changed everything. When the Nazis came and broke into our home. Destroyed everything that was safe for us. They took our home and our security. I thought it couldn’t get worse. But then they also took my sister. After that day nothing was the same again. I thought I’d never see her again. I thought she was lost to me forever. I joined the Resistance, vowing to fight against the evil German army with every last spark of fire in my body. I know what I have to do. And nothing can stop me.

Riga, 1943. Cycling the streets to deliver fresh loaves, Zenta passes empty houses, curtains open, doors unlocked, their occupants forced out by Russian or German hands. Above the newly built town hall, a Nazi flag waves in the breeze. Since her brother became a soldier and her sister joined the resistance, Zenta is all her parents have left. Then one morning her sister returns. Tired, worn, with a newly rounded belly, Estere is as determined as ever to fight for their freedom.

December 1941: Evacuated from the threat of German bombs, sisters Amelie and Mireille have grown up under the storm clouds of war. Now they have joined the fight against Hitler, with Amelie training as a nurse to save wounded soldiers, and Mireille enlisted to help the Air Force wage war in the skies over Europe. But as each sister fights for peace, they are still haunted by the memory of their missing sister who was snatched away from them at the beginning of the war.

Vienna, 1937. When beautiful American Kitty becomes engaged to Austrian diplomat Edgar, she finds herself thrown into a very different world in Europe, and soon longs for home. But when the woman designing her wedding dress, Judith, takes Kitty under her wing, she sees the city of Vienna in a new light–a city of culture and music that she can explore with her new friend.

As a child, I’d run away from home. As a teenager, I’d travelled the world, living on my wits. As a journalist, I’d witnessed atrocities inflicted in the name of fascism. As a member of the Resistance, I’d eyeballed fear and stared it down. For the past 30 years, I’d lived a full life. I could do this. However, even as I voiced my agreement I knew that my life in Marseille, my life with Michel, would never be the same.

As snow begins to fall, and word reaches their town that the Red Army are approaching, German-born mother-of-two Emma knows she has no choice: She must pack their meagre belongings and leave their home, in search of safety. Even if safety is within Nazi Germany. But as the icy grip of winter tightens around them, her four-year-old son—her blue-eyed angel—Jacob becomes ill. Desperate for him to get well enough to continue their journey, she takes him to a hospital, where she hands him to a kind nurse. Then a terrible attack separates mother and son, and their lives change forever.