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...