Eleven-year-old Jem Green is a kitchen boy in the London household of a powerful duke, who spends most of his time doing unpleasant jobs and being shouted at by the other servants. But when the peculiar Count Cazalon arrives to see the Duke, Jem's humdrum life is dramatically disrupted. The Count has a sinister plan, and he needs Jem to play a part in it. Befriending the Count's mistreated youn…