Graduating from Harvard at the height of World War II, brilliant mathematician Charlie Fish is assigned to the Manhattan Project. Working with some of the age’s greatest scientific minds, including J. Robert Oppenheimer and Leo Szilard, Charlie is assigned the task of designing and building the detonator of the atomic bomb. As he performs that work Charlie suffers a crisis of conscience, which his wife, Brenda—unaware of the true nature of Charlie’s task—mistakes as self-doubt. Once the bombs strike Hiroshima and Nagasaki, the feelings of culpability devastate him and Brenda.

World War II is over. Amid jubilation in the streets of France, however, there are throngs of people stunned by the recovery work ahead. Every bridge, road, and rail line, every church and school and hospital, has been destroyed. Disparate factions—from Communists, to Resistance fighters, to those who supported appeasement of the Nazis—must somehow unite and rebuild their devastated country.

Deborah Birch is a seasoned hospice nurse whose daily work requires courage and compassion. But her skills and experience are tested in new and dramatic ways when her easygoing husband, Michael, returns from his third deployment to Iraq haunted by nightmares, anxiety, and rage. She is determined to help him heal and to restore the tender, loving marriage they once had.

It is September 8, 1943, and 14-year-old Claudette Blum and her father are among the thousands of Jewish refugees scrambling over the Alps toward Italy, where they hope to find safety now that the Italians have broken from Germany and made a separate peace with the Allies. The Blums will soon discover that Italy is anything but peaceful, as it quickly becomes an open battleground for the Nazis, the Allies, Resistance fighters, Jews in hiding, and ordinary Italian civilians trying to survive.

Elise Chevalier knows what it is to love…and to hate. Her fiancé, a young French soldier, was killed by the German army at the Maginot Line. Living amongst the enemy, Elise must keep her rage buried deep within. Sebastian Kleinhaus no longer recognizes himself. Forced to join the Third Reich and wear a uniform he despises, he longs for a way out. For someone, anyone, to be his salvation.

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.

In 1950s Quebec, French and English tolerate each other with precarious civility - much like Maggie Hughes' parents. Maggie's English-speaking father has ambitions for his daughter that don't include marriage to the poor French boy on the next farm over. But Maggie's heart is captured by Gabriel Phénix. When she becomes pregnant at 15, her parents force her to give baby Elodie up for adoption and get her life "back on track".

In the snowbound city of Kiev, wry and bookish history student Mila Pavlichenko organizes her life around her library job and her young son—but Hitler’s invasion of Russia sends her on a different path. Given a rifle and sent to join the fight, Mila must forge herself from studious girl to deadly sniper—a lethal hunter of Nazis known as Lady Death. When news of her three hundredth kill makes her a national heroine, Mila finds herself torn from the bloody battlefields of the eastern front and sent to America on a goodwill tour.

Just weeks after World War II ends, three women from different corners of the world arrive in Germany to run a Displaced Persons camp. They long to help rebuild shattered lives—including their own… For Martha, going to Germany provides an opportunity to escape Brooklyn and a violent marriage. Arriving from England is orphaned Kitty. She hopes working at the camp will bring her closer to her parents, last seen before the war began. For Delphine, Paris has been a city of ghosts after her husband and son died in Dachau.

Germany, 1939. A tumbledown farmhouse, on the outskirts of a close-knit village in the heart of the rolling hills of Bavaria. A once happy family home torn apart by Nazi rule. And one young girl who refuses to give up on what she believes in...London, 2018: When 94-year-old Imogen receives a letter addressed to her in neat, unfamiliar handwriting, she notices the postmark is stamped from Germany - and it sends shivers down her spine....

Paris, 1939: The Nazis think Éliane can't understand German. They’re wrong. They think she’s merely cataloging art in a Louvre museum and unaware they’re stealing national treasures for their private collections. They have no idea she’s carefully decoding their notes and smuggling information to the Resistance. But Éliane is playing a dangerous game. Does she dare trust the man she once loved with her secrets, or will he only betray her once again?

Each morning Livia Moretti makes her way from an apartment overlooking Florence’s famous Duomo to a nearby café, where she drinks espresso and reads the newspaper. To the crowds of tourists who pass by, nothing about Livia will be memorable. She is simply an old lady. They walk on without knowing the part she played in ensuring the future of this beautiful city. And to Livia now, those dark days feel very far away. But today, when she opens the paper, she sees a name she has not heard for a long time. A name that will bring memories flooding back.

London, 1940. Bombs fall and Josie Banks’ world crumbles around her. Her overbearing husband, Stan, is unreachable, called to service. Her home, a ruin of rubble and ash. Josie’s beloved tearoom boss has been killed, and Josie herself is injured, with nothing left and nowhere to go. Evacuated to the English countryside, Josie ends up at the estate of the aristocratic Miss Harcourt, a reluctant host to the survivors of the Blitz. Now a threat looms larger than anyone imagined. And a dangerous secret is about to upend Josie’s life again.

Ava thought her job as a librarian at the Library of Congress would mean a quiet, routine existence. But an unexpected offer from the US military has brought her to Lisbon with a new mission: posing as a librarian while working undercover as a spy gathering intelligence. Meanwhile, in occupied France, Elaine has begun an apprenticeship at a printing press run by members of the Resistance. It’s a job usually reserved for men, but in the war, those rules have been forgotten. Yet she knows that the Nazis are searching for the press and its printer in order to silence them.

Imprisoned in the Lodz Ghetto, Elsi discovers her mother's desperate attempt to end her pregnancy and comes face-to-face with the impossibility of their situation. Risking her own life, Elsi joins a resistance group to sabotage the regime. Blonde, blue-eyed Matilda is wrenched from her family in Romania and taken to Germany, where her captors attempt to mold her into the perfect Aryan child. Spirited and brave, she must inspire hope in the other stolen children to make her dreams of escape a reality.