Munich. September, 1938. When twenty-one-year-old Madeleine Hamilton is asked to smuggle two of her students out of Munich by their parents, she’s terrified but agrees, knowing everyone has a role to play in protecting the vulnerable. But when Maddie and the twins run into trouble on the train to Berlin, it is her turn to be saved by a chance encounter with a handsome man. Bletchley Park. September, 1939. A year later, war has been declared and Maddie is undertaking specialist Morse code training at top secret war office Bletchley park when a familiar face shows up unexpectedly. The attraction between them is as deep as it is instant, but—with her war work growing increasingly important—Maddie has no time for love. And, even if she did, should she let her guard down straight away? For, with war underway and the stakes growing higher by the day, Maddie knows one person could hold the potential to harm both her country and her heart—and it is her duty to protect both…