After the Franco-Prussian War and the siege of 1870-71, the St Clair family return to Paris, seeking refuge and security, only to be swept up into the terrible cruelties and violence of the Commune. Here their young daughter, Hélène, falls ill and, in an unlucky twist of fate, becomes separated from her family. Alone and frightened, she has to fend for herself on the war-torn streets. Meanwhile, her two brothers face each other as mortal enemies across the barricades.

Rita and Rosie Stevens are only nine and five years old when their widowed mother marries a violent bully called Jimmy Randall and has a baby boy by him. Under pressure from her new husband, she is persuaded to send the girls to an orphanage, not knowing that the papers she has signed will entitle them to do what they like with the children. And it is not long before the powers that be decide to send a consignment of orphans to their sister institution in Australia. Among them - without their family's consent or knowledge - are Rita and Rosie.

As the war begins, Hanna Rombauer, a young German woman, is sent to live with her aunt and uncle after her mother’s death. Thrown into a life of luxury she never expected, Hanna soon finds herself unwillingly matched with an SS officer twenty years her senior. The independence that her mother lovingly fostered in her is considered highly inappropriate as the future wife of an up-and-coming officer and she is sent to a “bride school.” There, in a posh villa on the outskirts of town, Hanna is taught how to be a “proper” German wife.

Germany, 1937. Fear and betrayal stalk the streets. People disappear. Persecution of the Jews has become a national pastime. When Ruth Friedman's husband is arrested by the SS, she is left to fend for herself and her four children. She alone stands as their shield against the Nazis. But where can she go? Where will her family be safe? Ruth must overcome the indifference, hatred and cruelty that surrounds her as she and her family race to escape the advancing Nazi army's final solution.

Plymouth, 1941. As sirens blare all around, the Shawbrook family take refuge in a packed shelter. Bombs have already begun to fall through the night sky when they realize their infant son, Freddie, has been forgotten in the rush, left to sleep in his crib. Terrified, Vera, his young mother, races to find him and bring him to safety. The next morning, air-raid warden David Shawbrook returns from his watch to find the shelter pulverized, and his family seemingly all dead. Dirty footprints inside their home betray the looters who have rifled through the house.

England, 1941: Life has always been cruel to Ethel. Raised in an orphanage by a merciless mistress, she never knew the meaning of love. And now she has fallen for the one man who is forbidden to her - Karl, a German held captive in the local prisoner-of-war camp. He might be the enemy, but he has her heart. When Ethel discovers she’s pregnant, she is labelled a traitor and shunned by all. The love of her life is torn away from her, but she vows to protect their precious daughter. But the unthinkable happens....

Elise Sontag is a typical Iowa 14-year-old in 1943 - aware of the war but distanced from its reach. Then her father, a legal US resident for nearly two decades, is suddenly arrested on suspicion of being a Nazi sympathizer. The family is sent to an internment camp in Texas, where behind the armed guards and barbed wire, Elise feels stripped of everything beloved and familiar, including her own identity. The only thing that makes the camp bearable is meeting fellow internee Mariko Inoue, a Japanese-American teen from Los Angeles.

Ana Kaminski is pushed through the iron gates of Auschwitz beside her frightened young friend Ester Pasternak. As they reach the front of the line, Ana steps forward and quietly declares herself a midwife--and Ester her assistant. Their arms are tattooed and they’re ordered to the maternity hut. Holding an innocent newborn baby, Ana knows the fate of so many are in her hands and vows to do everything she can to save them.

England, 1943: Home is no longer safe for eight-year-old twins Molly and Jacob. Night after night, wailing bombs and screeching planes skim the rooftops overhead. They cradle each other, shivering in terror, not knowing if they'll live to see dawn. Their mother, Martha, has no choice but to evacuate them to the safety of the countryside. At the train station, Martha bites back tears as she says good-bye to her precious children. Knowing she might never see them again, she gives Jacob a letter, pressing the envelope into his hands and telling him to only read it if they are in danger.

A heartbreaking, enthralling and utterly unforgettable World War 2 story of two young sisters cruelly abandoned by their mother at an orphanage. 1929: four-year-old Etty and eight-year-old Dorothy are abandoned at Blakely Hall orphanage by their mother, never to see her again. With no other family to speak of, the sisters worship their beloved mam - and they are confused and heartbroken to be deserted by her when they need her the most.

Growing up in New York City in the 1910s, Luella and Effie Tildon realize that even as wealthy young women, their freedoms come with limits. But when the sisters discover a shocking secret about their father, Luella, the brazen elder sister, becomes emboldened to do as she pleases. Her rebellion comes with consequences, and one morning Luella is mysteriously gone.

Sarah Jennings knows there’s one place she can go to find some peace and quiet during her difficult divorce. But arriving at her beloved father’s home in the countryside, she finds him unwell and hunched over boxes of files, studying the records from Cedar Hall, the crumbling orphanage in town. He says that hidden behind the wrought iron gates and overgrown ivy are secrets about their family, and he asks for her help.

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....

London, 1941. The Blitz. When a Royal Navy memo arrives at head office, requesting female recruits to sign up as motorcycle dispatch riders, delivering highly classified orders across the country, three women jump at the chance to sign up for the most dangerous jobs in London.

1950. In the wake of the war, Audrey Clarkson leaves her manor house in England for a fresh start in America with her young son. As a widowed war bride, Audrey needs the support of her American in-laws, whom she has never met. But she arrives to find that her longtime friend Eve Dawson has been impersonating her for the past four years. Unraveling this deception will force Audrey and Eve’s secrets - and the complicated history of their friendship - to the surface.