New York, 1941. Twelve-year-old Steven Mayer suddenly loses sight of his father, Wolf, as he’s chased by two men in hats through Grand Central Station. Left to fend for himself, Steven learns that Wolf is suspected by the FBI of being a spy working for the Nazi government…

With the help of Miriam, a spirited 14-year-old Austrian Jewish girl, he sets off in search of his missing father, and finds himself drawn into a kaleidoscopic world of spies and secrets. In this city that never sleeps, their quest for the truth will take them farther than they ever imagined.