Women can be heroes. When twenty-year-old nursing student Frances “Frankie” McGrath hears these words, it is a revelation. Raised in the sun-drenched, idyllic world of Southern California and sheltered by her conservative parents, she has always prided herself on doing the right thing. But in 1965, the world is changing, and she suddenly dares to imagine a different future for herself. When her brother ships out to serve in Vietnam, she joins the Army Nurse Corps and follows his path.

In April 1942, Lale Sokolov, a Slovakian Jew, is forcibly transported to the concentration camps at Auschwitz-Birkenau. When his captors discover that he speaks several languages, he is put to work as a Tätowierer (German for tattooist), tasked with permanently marking his fellow prisoners. Imprisoned for more than two and a half years, Lale witnesses horrific atrocities and barbarism - but also incredible acts of bravery and compassion. Risking his own life, he uses his position to exchange jewels and money from murdered Jews for food to keep his fellow prisoners alive.

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. Moved by her father’s frustration, Noah’s daughter Charlotte begins a search for answers that resurrects the stories of Chloe and Fleur, the code names for two otherwise ordinary women.

It’s 1942, and London remains under constant threat of enemy attack as the second world war rages on. In the Bethnal Green neighborhood, Nellie Morris counts every day lucky that she emerges from the underground shelters unharmed, her loving family still surrounding her. Three years into the war, she’s grateful to hold onto remnants of normalcy—her job as assisting the mayor and nights spent at the local pub with her best friend. But after a chance encounter with Ray, an American airman stationed nearby, Nellie becomes enchanted with the idea of a broader world.

San Francisco, 1906. In a city bustling with newly minted millionaires and scheming upstarts, two very different women hope to change their fortunes: Gemma, a golden-haired, silver-voiced soprano whose career desperately needs rekindling, and Suling, a petite and resolute Chinatown embroideress who is determined to escape an arranged marriage. Their paths cross when they are drawn into the orbit of Henry Thornton, a charming railroad magnate whose extraordinary collection of Chinese antiques includes the fabled Phoenix Crown, a legendary relic of Beijing’s fallen Summer Palace.