Ana Kaminski is pushed through the iron gates of Auschwitz beside her frightened young friend Ester Pasternak. As they reach the front of the line, Ana steps forward and quietly declares herself a midwife--and Ester her assistant. Their arms are tattooed and they’re ordered to the maternity hut. Holding an innocent newborn baby, Ana knows the fate of so many are in her hands and vows to do everything she can to save them.

In the early 1900s, women were dying in large numbers from treatable diseases because they avoided receiving medical care. Examinations performed by male doctors were often demeaning and even painful. In addition, women faced stigma from illness—a diagnosis could greatly limit their ability to find husbands, jobs or be received in polite society. Motivated by personal loss and frustration over inadequate medical care, Elizabeth Blackwell, Lizzie Garret Anderson and Sophie Jex-Blake fought for a woman's place in the male-dominated medical field.

The Overland Trail, 1853: Naomi May never expected to be widowed at 20. Eager to leave her grief behind, she sets off with her family for a life out West. On the trail, she forms an instant connection with John Lowry, a half-Pawnee man straddling two worlds and a stranger in both. But life in a wagon train is fraught with hardship, fear, and death. Even as John and Naomi are drawn to each other, the trials of the journey and their disparate pasts work to keep them apart.

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.

Sophie Dix fled Stuttgart with her brother as the Nazi regime gained power in Germany. Now, with her brother gone and her adopted home city of Paris conquered by the Reich, Sophie reluctantly accepts a position restoring damaged art at the Jeu de Paume museum under the supervision of the ERR—a German art commission using the museum as a repository for art they’ve looted from Jewish families.

August 1942. Jacob and Moses Stein, two young Jewish brothers, are staying with their aunt in Paris amid the Nazi occupation. The boys’ parents, well-known German playwrights, have left the brothers in their aunt’s care until they can find safe harbor for their family. But before the Steins can reunite, a great and terrifying roundup occurs. The French gendarmes, under Nazi order, arrest the boys and take them to the Vélodrome d’Hiver - a massive, bleak structure in Paris where thousands of France’s Jews are being forcibly detained.

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.

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.

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.

Kabul, 1978: The daughter of a prominent family, Sitara Zamani lives a privileged life in Afghanistan’s thriving cosmopolitan capital. The 1970s are a time of remarkable promise under the leadership of people like Sardar Daoud, Afghanistan’s progressive president, and Sitara’s beloved father, his right-hand man. But the ten-year-old Sitara’s world is shattered when communists stage a coup, assassinating the president and Sitara’s entire family. Only she survives.