Over the centuries, unbeknownst to all, a small clan of spies has worked ceaselessly to fight oppression. They're called the Tabula Rasa. They can pass unseen through enemy lines, eavesdrop on conversations, and "become" other people without being recognized. They are, essentially, faceless. Alice and Louise Winfield are sisters and spies in the Tabula Rasa. They're growing up in war-time England, where the threat of Nazi occupation is ever near. But Louise wants to live an ordinary life, and she tires of spy missions. When she leaves the agency, Alice must face her most dangerous assignment yet, without her sister at her side. As Alice prepares for her new mission, she must head into Hitler's inner sanctum in Germany to report on the Nazis. She fears the threat of discovery, but, worst of all, she fears losing her own sister.