The year is 1890, and the city is London. That mastermind of crime, Professor Moriarty has planned out a series of fantastic heists that will grant him untold fortune and power. However, he knows that the brilliant detective, Sherlock Holmes, has caught on to his plans and is trying to sabotage them! Prepared for this possibility, he has hired all his henchmen through intermediaries and hidden himself among them. Who will be discovered first: Sherlock or Moriarty?