From the New York Times best-selling author of Mrs. Lincoln’s Dressmaker, an enthralling historical saga that recreates the danger, romance, and sacrifice of an era and brings to life one courageous, passionate American - Mildred Fish Harnack - and her circle of women friends who waged a clandestine battle against Hitler in Nazi Berlin.

Elisabetta, Marco, and Sandro grow up as the best of friends despite their differences. Elisabetta is a feisty beauty who dreams of becoming a novelist; Marco the brash and athletic son in a family of professional cyclists; and Sandro a Jewish mathematics prodigy, kind-hearted and thoughtful, the son of a lawyer and a doctor. Their friendship blossoms to love, with both Sandro and Marco hoping to win Elisabetta's heart.

When German bombs set London ablaze, BBC radio correspondent Hugh Collingwood reports on the Blitz, eager to boost morale while walking the fine line between truth and censorship. But the Germans are not the only ones Londoners have to fear as a series of murders flame up amid the ashes. The deaths hit close to home for Hugh, and Aleida needs his help to locate her missing son. As they work together, they grow closer and closer, both to each other and the answers they seek. But with bombs falling and continued killings, they may be running out of time.

One morning while passing through Grand Central Terminal on her way to work, Grace Healey finds an abandoned suitcase tucked beneath a bench. Unable to resist her own curiosity, Grace opens the suitcase, where she discovers a dozen photographs - each of a different woman. In a moment of impulse, Grace takes the photographs and quickly leaves the station. Grace soon learns that the suitcase belonged to a woman named Eleanor Trigg, leader of a network of female secret agents who were deployed out of London during the war.

December 1940. As German bombs fall on Southampton, England, the city's residents flee to the surrounding villages. In Upton village, amid the chaos, newly married Ellen Parr finds a girl asleep, unclaimed at the back of an empty bus. Little Pamela, it seems, is entirely alone. Ellen has always believed she does not want children, but when she takes Pamela into her home, the child cracks open the past Ellen thought she had escaped and the future she and her husband, Selwyn, had dreamed for themselves. As the war rages on, love grows where it was least expected, surprising them all.

Twenty-five years after the end of the war, Noah Ainsworth is still preoccupied with those perilous, exhilarating years as a British SOE operative in France. A head injury sustained on his final operation has caused frustrating gaps in his memory—in particular about the agent who saved his life during that mission gone wrong, whose real name he never knew, nor whether she even survived the war.

As 1754 is drawing to a close, tensions between the French and the British on Canada’s Acadian shore are reaching a fever pitch. Seamstress Sylvie Galant and her family—French-speaking Acadians wishing to remain neutral—are caught in the middle, their land positioned between two forts flying rival flags. Amid preparations for the celebration of Noël, the talk is of unrest, coming war, and William Blackburn, the British Army Ranger raising havoc across North America’s borderlands.

German power is rising again, threatening a war that will be even worse than the last one. The English aristocracy turns to an age-old institution to stave off war and strengthen political bonds—marriage. Debutantes flock to Germany, including Viviane Alden. On holiday with her sister during the 1936 Berlin Olympics, Viviane’s true purpose is more clandestine.

It’s 1918 in German-occupied Bruges, Belgium. With luck, Evelien will make it to the end of the war and be given what she was promised: a prized painting in exchange for safeguarding her employer’s possessions. Until then, Evelien knows to keep her head down and stay out of trouble. But life never goes to plan, especially in war. A member of the Resistance approaches Evelien: steal a list of names hidden in her employer’s home.

Sophia Alexander, the beautiful daughter of a famous surgeon in Berlin, has had to grow up faster than most young women. When her mother falls ill, Sophia must take charge of her younger sister Theresa, look after her father and the household, while also volunteering at his hospital after school. Meanwhile, Hitler's rise to power and the violence in her very own town have Sophia concerned, but only her mother is willing to share her fears openly. After tragedy strikes and her mother dies, Sophia becomes increasingly involved in the resistance.