"1942. Hannah Martel has narrowly escaped Nazi Germany. When her ship bound for America is turned away at port, she has nowhere to go but to her cousin Lily in Brussels. Fearful for her life, Hannah is desperate to get out of occupied Europe. But with no safe way to leave, she must return to the dangerous underground work she thought she had left behind. Seeking help, Hannah joins the Sapphire Line, a secret resistance network. But when a grave mistake...

For one woman in the aftermath of World War I, the city of light harbors dark secrets and dangerous liaisons.

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...

"Life is a constant struggle for the eighteen-year-old Nowak twins as they raise their three younger siblings in rural Poland under the shadow of the Nazi occupation ... Helena discovers an American paratrooper stranded outside their small mountain village ... Risking the safety of herself and her family, she hides Sam--a Jew--but Helena's concern for the American grows into something much deeper ... [as] Helena is forced to contend with the jealousy...