London, 1962: The world is teetering on the brink of nuclear war but life must go on. Celia Duchesne longs for a career, but with no means or qualifications, passes her time working at a dusty bookshop. The day a handsome American enters the shop, she thinks she might have found her way out of the monotony. Just as the excitement of a budding relationship engulfs her, a devastating secret draws her into the murky world of espionage.

BERLIN, 1939. The dreams that Amanda Sternberg and her husband, Julius, had for their daughters are shattered when the Nazis descend on Berlin, burning down their beloved family bookshop and sending Julius to a concentration camp. Desperate to save her children, Amanda flees toward the south of France, where the widow of an old friend of her husband’s has agreed to take her in. Along the way, a refugee ship headed for Cuba offers another chance at escape and there, at the dock, Amanda is forced to make an impossible choice that will haunt her for the rest of her life.

Since she was nine years old, Alina Dziak knew she would marry her best friend, Tomasz. Now 15 and engaged, Alina is unconcerned by reports of Nazi soldiers at the Polish border, believing her neighbors that they pose no real threat, and dreams instead of the day Tomasz returns from college in Warsaw so they can be married. But little by little, injustice by brutal injustice, the Nazi occupation takes hold, and Alina’s tiny rural village, its families, are divided by fear and hate. Then, as the fabric of their lives is slowly picked apart, Tomasz disappears.

Brought to the peace conference by her father, a German diplomat, Margot Rosenthal initially resents being trapped in the congested French capital, where she is still looked upon as the enemy. But as she contemplates returning to Berlin and a life with Stefan, the wounded fiancé she hardly knows anymore, she decides that being in Paris is not so bad after all. Bored and torn between duty and the desire to be free, Margot strikes up unlikely alliances: with Krysia, an accomplished musician with radical acquaintances and a secret to protect; and with Georg, the handsome, damaged naval officer who gives Margot a job.

1932. After the Great War took both her beloved brother and her fiancé, Violet Speedwell has become a "surplus woman," one of a generation doomed to a life of spinsterhood after the war killed so many young men. Yet Violet cannot reconcile herself to a life spent caring for her grieving, embittered mother. After countless meals of boiled eggs and dry toast, she saves enough to move out of her mother's place and into the town of Winchester, home to one of England's grandest cathedrals.

Madrid, 1957. Under the fascist dictatorship of General Francisco Franco, Spain is hiding a dark secret. Meanwhile, tourists and foreign businessmen flood into Spain under the welcoming promise of sunshine and wine. Among them is 18-year-old Daniel Matheson, the son of an oil tycoon, who arrives in Madrid with his parents hoping to connect with the country of his mother's birth through the lens of his camera. Photography - and fate - introduce him to Ana, whose family's interweaving obstacles reveal the lingering grasp of the Spanish Civil War.

An orphan who spent her youth without a true home, Marion Hoxton found in the Great War something other than destruction. She discovered a chance to belong. As a member of the Women’s Royal Naval Service—the Wrens—Marion gained sisters. She found purpose in her work as a motorcycle dispatch rider assigned to train and deliver carrier pigeons to the front line. And despite the constant threat of danger, she and her childhood friend Eddie began to dream of a future together. Until the battle that changed everything.

1941. Audrey Coltrane has always wanted to fly. It's why she implored her father to teach her at the little airfield back home in Texas. It’s why she signed up to train military pilots in Hawaii when the war in Europe began. And it’s why she insists she is not interested in any dream-derailing romantic involvements, even with the disarming Lieutenant James Hart, who fast becomes a friend as treasured as the women with whom she flies. Then one fateful day, she gets caught in the air over Pearl Harbor just as the bombs begin to fall, and suddenly, nowhere feels safe.

Selma van de Perre was 17 when World War II began. Until then, being Jewish in the Netherlands had not been an issue. But by 1941 it had become a matter of life or death. On several occasions, Selma barely avoided being rounded up by the Nazis. While her father was summoned to a work camp and eventually hospitalized in a Dutch transition camp, her mother and sister went into hiding - until they were betrayed in June 1943 and sent to Auschwitz.

New York socialite Caroline Ferriday has her hands full with her post at the French consulate and a new love on the horizon. But Caroline’s world is forever changed when Hitler’s army invades Poland in September 1939—and then sets its sights on France. An ocean away from Caroline, Kasia Kuzmerick, a Polish teenager, senses her carefree youth disappearing as she is drawn deeper into her role as courier for the underground resistance movement. In a tense atmosphere of watchful eyes and suspecting neighbors, one false move can have dire consequences.

Years of trying unsuccessfully to conceive a child have broken more than Angie DeSaria’s heart. Following a painful divorce, she moves back to her small Pacific Northwest hometown and takes over management of her family’s restaurant. In West End, where life rises and falls like the tides, Angie’s fortunes will drastically change yet again when she meets and befriends a troubled young woman.

On a freezing night in January 1941, a little Jewish girl is found on the steps of an apartment building in Bucharest. With Romania recently allied with the Nazis, the Jewish population is in grave danger, undergoing increasingly violent persecution. The girl is placed in an orphanage and eventually adopted by a wealthy, childless couple who name her Natalia. As she assimilates into her new life, she all but forgets the parents who were forced to leave her behind. They are even further from her mind when Romania falls under Soviet occupation.

Berlin, 1930—When a wave of change sweeps a radical political party to power, Sofie von Meyer Rhodes’s academic husband benefits from the ambitions of its newly elected chancellor. Although Sofie and Jürgen do not share the social views growing popular in Hitler’s Germany, Jürgen’s position with its burgeoning rocket program changes their diminishing fortunes for the better. But as Sofie watches helplessly, her beloved Berlin begins to transform, forcing her to consider what they must sacrifice morally for their young family’s security, and what the price for their neutrality will be.

From the author of The Lost Girls of Paris comes a riveting tale of courage and unlikely friendship during World War II - now a New York Times best seller.

From the best-selling author of The Things We Cannot Say, Before I Let You Go, and the upcoming The Warsaw Orphan, comes a poignant post-WWII novel that explores the expectations society places on women set within an engrossing family mystery that may unravel everything once believed to be true.