A group of young women from Smith College risk their lives in France at the height of World War I in this sweeping novel based on a true story - a skillful blend of Call the Midwife and The Alice Network - from New York Times best-selling author Lauren Willig.

In this riveting novel of royal secrets and intrigue, Karen Harper lifts the veil on one of the world’s most fascinating families and how its “secret weapon” of a matriarch maneuvered her way through one of the most dangerous chapters of the century.

1940: As the Germans advance upon Paris, young seamstress Estella Bissette is forced to flee everything she's ever known. She's bound for New York City with her signature gold dress, a few francs, and a dream: to make her mark on the world of fashion. Present day: Fabienne Bissette journeys to the Met's annual gala for an exhibit featuring the work of her grandmother - a legend of women's fashion design. But as Fabienne begins to learn more about her beloved grandmother's past, she uncovers a story of tragedy, heartbreak, and family secrets that will dramatically change her own life.

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. 

Plymouth, 1941. As sirens blare all around, the Shawbrook family take refuge in a packed shelter. Bombs have already begun to fall through the night sky when they realize their infant son, Freddie, has been forgotten in the rush, left to sleep in his crib. Terrified, Vera, his young mother, races to find him and bring him to safety. The next morning, air-raid warden David Shawbrook returns from his watch to find the shelter pulverized, and his family seemingly all dead. Dirty footprints inside their home betray the looters who have rifled through the house.