Ever since she was 10 years old, Rosalie Wright's eyes have been on the skies. But at the age of 18, on the verge of earning her pilot's license, the English farmer's daughter watches her dreams of becoming an aviatrix fly away without her. Britain's entry into World War II brings civilian aviation to a standstill. Then, Rosalie's father dies, leaving her, her mother, and her brothers to run the farm. Everything changes when she learns that the Air Transport Authority is recruiting women pilots to ferry warplanes across Britain to RAF bases.

World War II London: When Victoire “Paddy” Bennett first walks into the Admiralty’s Room 39, home to the Intelligence Division, all the bright and lively young woman expects is a secretarial position to the charismatic Commander Ian Fleming. But soon her job is so much more, and when Fleming proposes a daring plot to deceive the Germans about Allied invasion plans he requests the newlywed Paddy's help. She jumps at the chance to work as an agent in the field, even after the operation begins to affect her marriage. But could doing her duty for King and country come at too great a cost?

Claire has always had a special bond with her aunt Margaret, but she’s astonished when Margaret suddenly begins talking about a friend called Agnes, who Margaret met working as a WAAF in World War 2 – a past Claire had no idea about. Margaret and Agnes were best friends until Agnes started acting strangely, becoming secretive and distant. Then one morning, Agnes vanished and never returned home, leaving Margaret distraught. Claire promises to delve back into the past and help discover what happened to Agnes. 

East London, 1938. Nine-year-old Daisy Purbright is a country girl at heart, and together with beloved brother Bobby, they've enjoyed the endless freedoms of rural England. But when her father gambles the family's fortunes on a speculative investment in London's docklands, Daisy and her family are swept up into the intrigue, danger and excitement. The Purbrights desperately attempt to settle to a new life in the East End, but the whisperings of war grow louder. Then Adolf Hitler conducts a paralysing bombardment on London, and war tightens its grip.

France, 1942: When Kasia is told she will be smuggled out of Poland to work as a radio operator with a French Resistance group, she plans to make the dangerous journey across the border alone. But when she meets a mute girl who she names Elodie, in a ghetto in Warsaw on the eve of her departure, she reminds Kasia so strongly of someone she loved–with one brown eye, and one green–that she knows she can’t leave her behind, no matter the risk....

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.

When Katja Heinz secures a job as a typist in Hamburg working for Doctor Viktor’s clinic, she doesn’t expect to be writing up top secret medical records. Doctor Viktor treated soldiers for PTSD at the end of the first world war – and one of the patients was none other than Adolf Hitler.... The notes in his possession declare Hitler unfit for office; exposing such a secret would destroy the Fuhrer's reputation, and perhaps even change the course of the war.

Scotland, 1942. The Lumberjills, the newest recruits in the Women’s Timber Corps, arrive in the Scottish Highlands to a hostile reception from doubtful locals. The young women are determined to prove them wrong and serve their country – but they’re also all looking for something more. Can the Lumberjills get through their struggles together – even when tragedy strikes?

July, 1940. Blitz-ridden London: Marnie Fern’s life is torn apart when her grandfather is killed in an air raid. But once she discovers that he’d been working undercover as a radio operative – or pianist – for the Dutch resistance, Marnie knows she must complete his mission – no matter the cost. Nazi-occupied Amsterdam: At the other end of the wireless, fellow pianist Corrie Bakker is caught in a dangerous game of cat-and-mouse as she desperately tries to keep her loved ones out of the line of fire – even if it means sacrificing herself.

Libraries are being ransacked. France is torn apart by war. A French librarian is determined to resist. Told through smuggled letters to an author, an ordinary librarian describes the brutal Nazi occupation of her small coastal village and the extraordinary measures she takes to fight back.

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.

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.

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.

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. 

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?