Amsterdam, 1941. German forces have invaded Amsterdam. As the tension in the city increases, the Dutch Resistance is born. Tormented by what is happening in his city, Christiaan joins the Resistance. He risks everything to shield the oppressed and fight for the freedom of his beloved nation. His brother—Floris—is ruthless and driven to succeed. Promoted to the Bureau of Jewish Affairs, he becomes instrumental in hunting Jews to transport them to the Nazi death camps.

Auschwitz, 1942: Her entire body trembles as she stands in the infirmary and realises the horrifying truth. She’s a nurse, but instead of saving her fellow inmates, she’s about to be ordered to kill them… Surrounded by thick fog from the nearby forest, Orli stumbles from the cattle truck onto the frostbitten grounds of Auschwitz. Betrayed by her own husband for being a German resistance fighter, she has no one left in the world, and this is now her home.

1941, Poland. Though war rages around her and occupying German forces march steadily onward, 16-year-old Aleksandra has lived her life sheltered from danger. Until one day, she goes to school—never to return. Pushed roughly into a truck with other schoolgirls like her, a single ominous word tells her all she needs to know about her fate: Lebensborn.

When the Jewish families of Berlin start disappearing in nightly raids, 21-year-old Jacob Kagan knows it’s only a matter of time before the trucks come for him. Along with his family and best friend, he flees the country he’s always called home to find shelter in a Dutch refugee camp. Before long, the Netherlands falls to the Nazi war machine - Jacob’s new home is transformed into a transit camp with weekly trains bound for the horrors of the Eastern concentration camps.

But while Sophie, a third-year medical student, works long days and nights saving casualties of war at the American hospital, and waits anxiously for news of her fiancé from the front line, her recently widowed twin, Adèle, is determined to enjoy her freedom. Nothing – not the bombs, the curfews or the Nazi officers sidling up to her in nightclubs – can stop her from indulging in the temptations of Parisian society as she accompanies their father to glamorous parties.

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.

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.

Berlin, 1944. ‘No! Not my child!’ Annaliese screams, her voice breaking as she pounds the window uselessly. But no-one looks up as the man in the SS uniform cradles her precious baby and strides away. She lies unmoving on the threadbare cot, her throat hoarse from long hours of screaming but her tears keep falling. Her heart has been cleaved in two, now the Nazis have taken the only thing she has left–her child. She is utterly powerless against them. But as Annaliese cries herself to sleep, she makes a vow—she will find her precious baby again. Whatever it takes.

With a fake name written on the papers in her pocket, American photographer Clarisse Alarie knows the dangers of Paris better than most. Haunted by the sight of children being dragged away and carrying a photograph of the brown-eyed little girl everywhere she goes, Clarisse is desperate to make a difference. Soon, Clarisse is risking her life every day. Taking photographs of the terror that has overcome the beautiful city, Clarisse follows members of the Gestapo and hides in plain sight in order to gather evidence of their terrible crimes.

England, 1943: Deciding to throw herself into war work, Nancy Callaghan joins the Special Operations Executive in Baker Street. There, she begins solving ‘indecipherables’ – scrambled messages from agents in the field. Then Nancy meets Tom Lockwood, a quiet genius when it comes to coding. Together they come up with the idea of printing codes on silk, so agents can hide them in their clothing to avoid detection by the enemy. Nancy and Tom grow close, and soon she is hopelessly in love. But there is a traitor in Baker Street, and suspicions turn towards Tom.

Everything changes when Lilou is given her most important task: to keep a frightened little boy, Eliot, hidden safe in her farmhouse. All alone in the world, Eliot refuses to speak as he clutches his treasured children’s book close to his chest. Inside is a beautiful story of stars, planets and the night sky. But why is this innocent child the one, among thousands, who Lilou must save?

Vowing to honour her dead father's memory, 23-year-old Wanda throws herself into the Polish resistance, risking her life to transport ammunition for the uprising against the Nazis. But a clandestine meeting with an informant reveals a shocking twist. The man before her is the very soldier who took her father's life. Claiming to be a double agent, the informant sparks doubt, forcing Wanda to make a life-altering decision: trust the man she hates most in the world or jeopardize her network's crucial mission.

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.

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.

I sent 19-year-old Phyllis, my youngest recruit, into a city crawling with enemy soldiers. And this beautiful house on a tree-lined street, the headquarters of cold-hearted German soldiers, was the last place she was seen. I trail my fingers along the gilded furniture and see the light dance off the glittering chandeliers. On the top floor, I find the dates inscribed by beaten prisoners, and I know my girl was shown no mercy.