From the author of the runaway bestseller The Orphan's Tale comes a remarkable story of friendship and courage centered around three women and a ring of female secret agents during World War II.1946, ManhattanOne morning while passing through Grand Central Terminal on her way to work, Grace Healey finds an abandoned suitcase tucked beneath a bench. Unable to resist her own curiosity, Grace opens the suitcase, where she discovers a dozen photographs--each...

Inspired by the harrowing true stories of those who hid from the Nazis in the sewers, this emotional testament to the power of friendship follows Ella, an affluent Polish girl, as she helps Sadie and her pregnant mother survive despite the worsening dangers of the war.