August 1939: London is dismal under the weight of impending war with Germany as Hitler’s forces continue to sweep across Europe. Into this uncertain maelstrom steps Grace Bennett, young and ready for a fresh start in the bustling city streets she’s always dreamed of - and miles away from her troubled past in the countryside. With aspirations of working at a department store, Grace never imagined she’d wind up employed at Primrose Hill, an offbeat bookshop nestled in the heart of the city - after all, she’s never been much of a reader.

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.

All her life, Zofia has found comfort in two things during times of hardship: books and her best friend, Janina. But no one could have imagined the horrors of the Nazi occupation in Warsaw. As the bombs rain down and Hitler’s forces loot and destroy the city, Zofia finds that now books are also in need of saving. With the death count rising and persecution intensifying, Zofia jumps to action to save her friend and salvage whatever books she can from the wreckage, hiding them away, and even starting a clandestine book club.

When Hazel is given the chance to parachute into Nazi-occupied France, she seizes the opportunity to do more for the British war effort than file paperwork. Alongside her childhood friend, French-born Rose, she quickly rises up the ranks of the freedom fighters. For Rose, the Resistance is a link to her late husband, and a way to move forward without him. What starts out as helping downed airmen becomes a bigger cause when they meet Sophia, a German escapee and fierce critic of Hitler who is wanted by the Gestapo.

Paris, 1940. The Nazis have occupied the city - and the Ritz. The opulent old hotel, so loved by Parisians, is now full of swaggering officers, their minions and their mistresses. For American Olivia Olsen, working as a chambermaid at the hotel means denying her nationality and living a lie, every day bringing the danger of discovery closer. When Hitler’s right-hand man moves in and makes her his pet, she sees an opportunity to help the Resistance - and draw closer to Jack, her contact, whose brusque instructions may be a shield for something more....

London, 1933. At first glance, Austrian opera singer Elsa Mayer-Braun has little in common with the young English typist she encounters on tour. Yet she and Hattie Featherstone forge an instant connection—and strike a dangerous alliance. Using their friendship as a cover, they form a secret society with a daring goal: to rescue as many Jews as possible from Nazi persecution. Though the war’s outbreak threatens Elsa and Hattie’s network, their efforts attract the covert attention of the British government, offering more opportunities to thwart the Germans.

Paris, 1939. Maison Chanel has closed, thrusting haute couture dressmaker Lila de Laurent out of the world of high fashion as Nazi soldiers invade the streets and the City of Lights slips into darkness. Lila’s life is now a series of rations, brutal restrictions, and carefully controlled propaganda while Paris is cut off from the rest of the world. Yet in hidden corners of the city, the faithful pledge to resist. Lila is drawn to La Resistance and is soon using her skills as a dressmaker to infiltrate the Nazi elite.

Russia, 1941. Katya Ivanova is a young pilot in a far-flung military academy in the Ural Mountains. From childhood, she's dreamed of taking to the skies to escape her bleak mountain life. With the Nazis on the march across Europe, she is called on to use her wings to serve her country in its darkest hour. Not even the entreaties of her new husband—a sensitive artist who fears for her safety—can dissuade her from doing her part as a proud daughter of Russia.

As the Great War continues to take its toll, headstrong 21-year-old Emily Bryce is determined to contribute to the war effort. She is convinced by a cheeky and handsome Australian pilot that she can do more, and it is not long before she falls in love with him and accepts his proposal of marriage. When he is sent back to the front, Emily volunteers as a “land girl,” tending to the neglected grounds of a large Devonshire estate. It’s here that Emily discovers the long-forgotten journals of a medicine woman who devoted her life to her herbal garden.

At the height of the Holocaust, 25 young inmates of the infamous Auschwitz-Birkenau concentration camp - mainly Jewish women and girls - were selected to design, cut, and sew beautiful fashions for elite Nazi women in a dedicated salon. It was work that they hoped would spare them from the gas chambers. This fashion workshop - called the Upper Tailoring Studio - was established by Hedwig Höss, the camp commandant’s wife, and patronized by the wives of SS guards and officers.

The Bahamas, 1941. Newly widowed Leonora “Lulu” Randolph arrives in Nassau to investigate the governor and his wife for a New York society magazine. After all, American readers have an insatiable appetite for news of the duke and duchess of Windsor, that glamorous couple whose love affair nearly brought the British monarchy to its knees five years earlier. What more intriguing backdrop for their romance than a wartime Caribbean paradise, a colonial playground for kingpins of ill-gotten empires? Or so Lulu imagines.

On an April day in 1937, the sky opens and fire rains down upon the small Spanish town of Guernica. Seventeen-year-old Sibi and her family are caught up in the horror. Griff, an American military attaché, pulls Sibi from the wreckage, and it’s only the first time he saves her life in a span of hours. When Germany claims no involvement in the attack, insisting the Spanish Republic was responsible, Griff guides Sibi to lie to Nazi officials. If she or her sisters reveal that they saw planes bearing swastikas, the gestapo will silence them—by any means necessary.

Caroline Payne thinks it’s just another day of work until she receives a call from Mat Hammond, an old college friend and historian. But pleasantries are cut short. Mat has uncovered a scandalous secret kept buried for decades: In World War II, Caroline’s British great-aunt betrayed family and country to marry her German lover. Determined to find answers and save her family’s reputation, Caroline flies to her family’s ancestral home in London.

Clara Falkenberg, once Germany's most eligible and lauded heiress, earned the nickname "the Iron Fräulein" during World War II for her role operating her family's ironworks empire. It’s been nearly two years since the war ended, and she’s left with nothing but a false identification card and a series of burning questions about her family's past. With nowhere else to run to, she decides to return home and take refuge with her dear friend, Elisa.

Heartbroken and hoping for a new start, Abi Howes takes a summer job in rural France at the Château Bellevue. The old château echoes with voices from the past, and soon Abi finds herself drawn to one remarkable woman’s story, a story that could change the course of her summer - and her life. In 1938, Eliane Martin tends beehives in the garden of the beautiful Château Bellevue. In its shadow she meets Mathieu Dubosq and falls in love for the first time, daring to hope that a happy future awaits.