July, 1940. Blitz-ridden London: Marnie Fern’s life is torn apart when her grandfather is killed in an air raid. But once she discovers that he’d been working undercover as a radio operative – or pianist – for the Dutch resistance, Marnie knows she must complete his mission – no matter the cost. Nazi-occupied Amsterdam: At the other end of the wireless, fellow pianist Corrie Bakker is caught in a dangerous game of cat-and-mouse as she desperately tries to keep her loved ones out of the line of fire – even if it means sacrificing herself.

Germany, 1944. Taken from the camps to serve the Führer himself, Anke Hoff is assigned as midwife to one of Hitler’s inner circle. If she refuses, her family will die. Torn between her duty as a caregiver and her hatred for the Nazi regime, Anke is swept into a life unlike anything she’s ever known - and she discovers that many of those at the Berghof are just as trapped as she is. And soon, she’s falling for a man who will make her world more complicated still.

Norway, 1942. War rages, and, under cover of darkness, Rumi Orlstad and her fellow resistance fighters smuggle British agents, fugitives and supplies across the North Sea into Nazi-occupied territory. One night, when he braves a storm to complete an ill-fated mission, Rumi’s fiancé is lost to the dangerous waters. Broken-hearted, she withdraws from the clandestine group, vowing never to let her loved ones put themselves in the line of fire again.

From New York Times bestselling author Jennifer Chiaverini, a bold, revelatory novel about one of the great untold stories of World War I—the women of the U.S. Army Signal Corps, who broke down gender barriers in the military and battled a pandemic as they helped lead the Allies to victory.

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.