As England prepares to fight the Nazis, three very different women answer the call to mysterious country estate Bletchley Park, where the best minds in Britain train to break German military codes. Vivacious debutante Osla is the girl who has everything - beauty, wealth, and the dashing Prince Philip of Greece sending her roses - but she burns to prove herself as more than a society girl, and puts her fluent German to use as a translator of decoded enemy secrets.

Meredith and Nina Whitson are as different as sisters can be. One stayed at home to raise her children and manage the family apple orchard; the other followed a dream and traveled the world to become a famous photojournalist. But when their beloved father falls ill, Meredith and Nina find themselves together again, standing alongside their cold, disapproving mother, Anya, who even now, offers no comfort to her daughters.

Washington, DC, 1950. Everyone keeps to themselves at Briarwood House, a down-at-the-heels all-female boardinghouse in the heart of the nation’s capital where secrets hide behind white picket fences. But when the lovely, mysterious widow Grace March moves into the attic room, she draws her oddball collection of neighbors into unlikely friendship. Grace’s weekly attic-room dinner parties and window-brewed sun tea become a healing balm on all their lives, but she hides a terrible secret of her own.

Theo Decker, a 13-year-old New Yorker, miraculously survives an accident that kills his mother. Abandoned by his father, Theo is taken in by the family of a wealthy friend. Bewildered by his strange new home on Park Avenue, disturbed by schoolmates who don't know how to talk to him, and tormented above all by a longing for his mother, he clings to the one thing that reminds him of her: a small, mysteriously captivating painting that ultimately draws Theo into a wealthy and insular art community.

Bold and fearless, Nina Markova always dreamed of flying. When the Nazis attack the Soviet Union, she risks everything to join the legendary Night Witches, an all-female night bomber regiment wreaking havoc on the invading Germans. When she is stranded behind enemy lines, Nina becomes the prey of a lethal Nazi murderess known as the Huntress, and only Nina's bravery and cunning will keep her alive.