He enlists the help of 12 - year - old Marc Kilgour , a French orphan , in order to save the pair .
Charles Henderson , a British spy , finds himself trying to reach them before the Germans can .
Charles Henderson enlists the help of 12 - year - old Marc Kilgour , a French orphan , in order to save the pair .
Charles Henderson , a British spy , finds himself trying to reach them before the Germans can .