The summer of 1942, World War II rages in Europe and the Pacific. 15-year-old James and his sister Natalia accidentally overhear voices speaking in German through an open window at a nearby farm. Could their neighbor, Otto Herman, be a Nazi? When things start to go bad, their suspicions lead the pair to become teen spies, kicking off a cycle of suspense, kidnapping, violence, and death. Soon they discover a Nazi ring endeavoring to expose the Manhattan...