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. 

Norway, 1942. War rages, and, under cover of darkness, Rumi Orlstad and her fellow resistance fighters smuggle British agents, fugitives and supplies across the North Sea into Nazi-occupied territory. One night, when he braves a storm to complete an ill-fated mission, Rumi’s fiancé is lost to the dangerous waters. Broken-hearted, she withdraws from the clandestine group, vowing never to let her loved ones put themselves in the line of fire again. 

In two run-down houses, at the side of a barren Black Country heath, live six children with no family but each other. Abandoned or orphaned, every day is a fight to find food and keep warm. But they are determined to stay free of the clutches of the workhouse and the horrors that would face them if they were ever torn apart. Dora Parsons lives with her mother, Mary, and her evil grandmother, Edith. Edith’s house may be comfortable and warm, and food is plentiful, but every day, Dora suffers at the hands of her spiteful gran.

Yorkshire Dales, 1850. As a terrible storm rages, Annabelle Wallis is shocked to find a distressed young woman at her cottage door, heavy with child. Moments later a baby girl is born. But by dawn, the mother has vanished, leaving behind the helpless child wrapped only in a silk peacock shawl. When news spreads that Lady Eliza Hartley, sister to a wealthy estate owner, has been found dead, Annabelle realises the terrible secret she has stumbled on. Terrified she’ll be blamed for Eliza’s death, Annabelle flees to the slums of York, where she plans to raise the orphan as her own.

As the daughter of Sir Alfred Whitford, Kat has a certain set of responsibilities. Chasing her wayward sister, Ellie, to Nazi-occupied Paris was never supposed to be one of them. Now accustomed to the luxurious lifestyle that her Nazi boyfriend provides, Ellie has no intention of going back to the shackled life their parents dictate - but Kat will stop at nothing to bring her sister home.

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.

Hiding the worn piece of paper among her father’s watch deliveries, her eyes fill with tears at the memory of her brave friend walking towards the Nazi soldiers, and the sharp sound of gun fire. Her friend sacrificed herself so that she could deliver this message. But if she hands it over, the love of her life will die...1942, Geneva: As her radio crackles with heart-breaking news from occupied France, Valérie Hallez gazes towards the snow-covered Alps after a long day helping her father, a local watchmaker.

Since her husband, Josef, joined the Czech resistance three years ago, Anna Dankova has done everything possible to keep her daughter, Ema, safe. But when blonde haired, blue-eyed Ema is ripped from her mother’s arms in the local marketplace by the dreaded Brown Sisters, nurses who were dedicated to Hitler’s cause, Anna is forced to go to new extremes to take back what the Nazis have stolen from her. Going undercover as a devoted German subject eager to prove her worth to the Reich, the former actress takes on a role of a lifetime to find and save her daughter.

In 1929, Katya is 16 years old, surrounded by family and in love with the boy next door. When Stalin’s activists arrive in her village, it’s just a few, a little pressure to join the collective. But soon neighbors disappear, those who speak out are never seen again and every new day is uncertain. Resistance has a price, and as desperate hunger grips the countryside, survival seems more a dream than a possibility. But, even in the darkest times, love beckons. Seventy years later, a young widow discovers her grandmother’s journal.

In a different world, Evie Milton would have accepted her fate, married an aristocrat and become the doyenne of one of England’s finest estates, just like her mother. In a different world, Rose Wiley would have married her fiancé, David, established a modest homestead and brought up a brood of babies, just like her mother. But this isn’t a different world, and these women are not their mothers. Rose dreams of a life filled with more than family and duty to her husband—a life of purpose—and Evie dreams of a life far away from her rarefied existence. 

Matty has had to care for her three younger sisters ever since their mother’s death 10 years ago. She and the girls’ beloved father have worked hard to keep the family together, and now it’s time to celebrate as Matty turns 18. But their joy is short-lived when tragedy suddenly strikes and their father disappears on his way to London. The sisters have no way of knowing what has happened to him – only that he hasn’t returned home. With little money left they’re now forced to battle life’s misfortunes alone.... 

Berlin, 1936. The Landau family are at the heart of their community, running a music shop in Berlin and just trying to survive. But their lives are unravelling as Hitler's power increases and the treatment of Jewish families deteriorates. Eldest daughter, Rachel, fears for her sisters' future and will do anything she can to keep them safe. Will she find hope in the darkness? Paris, 1936. As whispers of war travel over from Europe, American debutante Kay escapes her mother's grasp and travels as a reluctant spy from Paris to Berlin.

Nineteen-year-old Libby moves to Berlin to escape her suffocating family - but instead of offering freedom, the city is under siege by the Nazis. Jewish books are burned, storefronts smashed and every day innocent people vanish into thin air. Libby cannot - will not - turn a blind eye. When Libby meets Harro, she knows there’s more to him than his dazzling smile and cornflower-blue eyes. The whip marks on his back, scars from the SS, tell his true story: He is a resistance fighter.

Berlin Zoo, 1943: Ten-year-old Adelaide and her newborn sister are orphaned after a devastating night of bombing. Heartbroken and frightened, Adelaide runs to her mother’s closest friend, Katharina Heinroth, and the kind zookeeper takes the two little girls under her protection. As the bombing intensifies, Adelaide tries to shut out the horrors of war by caring for her tiny sister and playing with the adorable baby monkeys. But when Katharina organizes a dangerous operation to enable children and animals to escape the battle-scarred city, something goes wrong.

Born to a French mother and an English father, Charlotte Bray has always felt like an outsider in her Cornish fishing village. She spends her days on her father's fishing boat, helping to feed a nation at war. But the war brings devastation, and her world is forever changed by tragedy. With nothing left to lose, she accepts a mysterious invitation to work for the War Office as a spy. She soon finds herself in Nazi-occupied Paris with a new identity. Charlotte begins working under the sombre but handsome Frenchman Pierre Lesieur. But do his allegiances lie elsewhere?