Young nurse Gemma is struggling with the traumas she has witnessed through her job. Needing to escape from it all, she agrees to help renovate a rundown farmhouse in Doullens, France, a town near the Somme. There, in a boarded-up cupboard is a tin that reveals the secret letters and heartache of Alice Le Breton, a young volunteer nurse who worked in a casualty clearing station near the front line. Set in the present day and during the horrifying years of the war, both women discover deep down the strength and courage to carry on in even the most difficult of times.

Rhoda Middleton suspects her husband Peter is having an affair. But when Rhoda tracks the mysterious woman down, she finds she is not his lover after all, but the wife of his wartime best friend, Archie Foster. There is only one problem - Rhoda has never even heard of Archie Foster.

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. 

1916. At the onset of war, Nurse Pru le Cuirot left her home in Jersey to care for injured soldiers at Ashbury Manor, Dorset. She wanted to do her bit but she never expected to meet Canadian pilot, Jack Garland, so unlike any man she has ever met. When Jack is sent on a dangerous mission and vanishes, Pru is forced to make an agonising decision…one that will haunt them both forever.

1942. When Helda Dahlstrøm flees her abusive husband and Nazi-occupied Norway with her eight-year-old son she doesn't know if they'll make it out alive. In her desperate journey to safety she'll find safety on the rocky shores of the Shetland Islands, rescued by Canadian Flight Sergeant Bill Gauthier. As WWII's destruction rages at their doorsteps, can love find its way through the rubble?

New England, 1992. Sophie’s hand trembles as she places the birthday card on to the creamy wood of her dresser—this one postmarked from far away, and signed with a name she’s never forgotten, despite their years apart. Downstairs, guests wait around a colourful pile of gifts—Happy 90th Birthday, Sophie! But Sophie has a gift of her own to give today—a tattered collection of photographs she’s never shown anybody. Holding it to her heart, a single tear slides down her wrinkled cheek.

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....

Paris, 1941. With Nazi occupation imminent, journalist Elodie Mitchell plans to return home to Chicago. But an unexpected invitation to a Josephine Baker show changes everything. Mistaken for the star, Elodie is whisked backstage, where she uncovers an underground resistance movement hidden beneath the glitz and glamour. Drawn into a whisper network of spies, Elodie accepts a perilous mission: to go undercover as Josephine's cousin and gather vital intelligence.

1941. After the death of her beloved mother, nineteen-year-old Romilly Brooks impulsively accepts a job as a nanny, accompanying eight-year-old Freddie and his grandmother on a sea voyage from war-torn London to the safety of New York. From the first, Romilly is entranced by the opulent ocean liner… if only she could put the idea of German U-boats circling beneath the waves out of her mind.

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.

Hamburg, 1938. Fifteen-year-old Asta is hurrying home from school with her twin brother, Jurgen. The mood in the city is tense - synagogues have been smashed with sledgehammers, and Asta is too frightened to laugh as she used to. But when she and Jurgen are stopped in the street by a friend, her world implodes further. Her Jewish parents have been dragged into the streets by German soldiers, and if she and Jurgen return to their house, they will be taken, too. 

Tuscany, 1944. As Cara runs into the grand entrance hall of the Villa Rosa, she flies to a stop. There is a gun pointing straight at her head, a Nazi staring down at her from the steps above. But even as her heart thumps so loudly she is sure it will jump out of her chest, she keeps smiling, desperately hoping that he won’t spot the precious diary she has hidden under her shirt. Because if he does, it’s not just her life at stake....

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.

1945. The tiny bundle in her arms barely stirs as she hurries out into the dark street. Remembering Villa Teresa, a thousand miles away in sun-soaked Italy, Betty thinks of the letter she had to write to stop the bombing and save Gianni. Instead, it cost her everything, and she will never see her beloved again. Letting her little baby go will tear her apart, but she knows it is the only way to keep her child safe.

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.