Sherlock Holmes has died. Days after Holmes and his arch-enemy Moriarty's fatal fall at the Reichenbach Falls, Pinkerton agent Frederick Chase arrives from New York. Moriarty's death has created a toxic vacuum that is quickly filled by a new, ruthless criminal mastermind. Along with Inspector Athelney Jones, a dedicated student of Holmes's methods of investigation and deduction, Chase must track down this shadowy figure. This dangerous man is feared but rarely seen, determined to flood London with murder and menace. The game is on...