Paris 1930s. Childhood companions Fleur and Colette make a vow, under the trailing ivy of their secret garden, that they will be secret sisters forever. But as they grow up, the promises of childhood are put to the ultimate test. For Colette is the daughter of the house, and her life is all jazz clubs, silk dresses and chilled champagne, while Fleur is the orphan niece of the housekeeper and doesn’t feel like she belongs anywhere. Years later, in 1939, life as they know it will never be the same.

For months, Marianne’s resistance network has carried out courageous missions from a remote farmhouse in Southern Provence, aiding the Nazis’ downfall. But one fateful night, they are viciously ambushed as German soldiers storm in, scattering, capturing or killing every last person there. Mourning the loss of her friends, Marianne will need every ounce of courage to survive. Not only has her life as a secret agent been critically compromised, but her heart has been shattered. Because Jack, her darling fiancé and fellow spy, fled in the chaos–and is accused of being a traitor.

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.

When Stefania Carmichael steps into the mysterious world of Bletchley Park, she immediately finds herself signing the Official Secrets Act. In whispers, she is told that she’s been recruited because of her talent for languages. Before the war ripped Europe apart, Stefania was living in Rome, charming everyone she met, and engaged to the man of her dreams, handsome and brave Matteo. And now everything has changed. With secrets swirling around the building, Stefania finds it hard to know who to trust, until she forms a close bond with two other new recruits.

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.

1940. Cora Mayhew came to Paris to search for her birth mother and stayed to work for the resistance movement. When Cora's train is struck by Nazi bombs, the only thoughts on her mind as she staggers from the wreckage are to escape to return to her family, and to post the heart-wrenching letter clutched in her hand. Then a German soldier finds and saves Cora. Max Heller is nothing like she would have expected: kind, good-humoured and selfless. Cora can't help falling in love with him as he helps to plot her escape. 

When Nazis break down the front door of 18-year-old Trudi’s home and seize the Jewish couple hiding in her attic, she’s devastated, and is suddenly solely responsible for their two innocent children. The whispered rumours about the resistance are her only hope. A man called Frans and his cousin Piet risk their lives every day helping scared and abandoned Jewish children escape into the countryside. Under the cover of night, she races to beg for their help.

Emerging triumphant from the firing line of war is no easy feat... In war-torn Warsaw, Anna joins the Polish resistance, risking everything for freedom with memories of her fanatical Nazi husband fueling her determination. As she grows close to the resistance, a kind doctor named Mateusz ignites dreams of a different life. But her happiness is shattered when her husband resurfaces. Now, Anna must masquerade as his wife once more to gather vital information.

Undercover in occupied Europe, risking her life daily, Elena never planned to fall in love. But everything changes when she meets Santiago in a crowded bar. His warm, dark eyes and kind smile draw her in...but he can never know her real identity, and opening her heart to him could put both of them in jeopardy. Elena cannot help but fall for Santiago, but can she truly trust him? Then Elena is tasked with a dangerous assignment: delivering coded maps for the Resistance.

In the mountains of Bohemia, Mila, a Romani, works as a maid for an aristocratic Jewish family. They have no idea that she and their son Ben, with his amber eyes and kind smile, are madly in love—it is expressly forbidden. In the arms of one another, Mila and Ben try to forget that their village is close to the German borders—and could be invaded at any second. But as they huddle around a crackling radio, ice runs through their veins as news of the war gets grimmer by the day. 

Holding the faded postcard in her trembling hands, Mia begins to read the one story her grandmother could never tell her, revealing a secret that will change her own life forever....

When Darcie purchases several old suitcases at auction that had been abandoned in a railway station locker, she doesn't know what to expect. The first is disappointing but as she opens the second, she discovers rare and beautiful dresses for the 1940s, lovingly folded, and a notebook of designs to go with them. Written inside the cover is the name: Nathalie Leroux Why did she leave her most prized possessions at the station eighty years ago? Darcie's quest for answers will draw her into the world of the French resistance as she works to uncover the truth about a devastating wartime secret.

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.

Paris, 1944. “Traitor!” yells the crowd as they push me down onto a stool. “Nazi collaborator.” Tears blur my vision as the razor grazes my scalp, waves of blonde hair falling to the ground. As men paint a swastika across my face, I hold onto one small glimmer of hope. They have no idea who I am.

Margot and her adoring husband, Jochen, are madly in love. But in Nazi Germany, being in love is the most dangerous act of all. A marriage between Margot, a German woman, and Jochen, a Jewish man, is forbidden under Hitler’s tyrannical rule. Yet when friends cross the street to avoid Margot and her own mother rejects her, she stays loyal to Jochen. When the Gestapo break into their home and steal their belongings, she remains steadfast. And when soldiers arrest Jochen, imprisoning him with countless others, Margot will stop at nothing to save him.