It's 1943, and nearly-12-year-old George and his older brother Jack are spending a restless wartime summer in Whitby, Ontario , where their mom is working at a munitions plant while their dad is off fighting the Germans. One afternoon, the boys stumble across Canada's top-secret spy camp-and so begins an exciting and terrifying adventure as George and Jack get caught up in the covert activities of Camp X. Fascinated by Camp X and its secrets, the bo