Robert Downey Jr. reprises his role as the world's most famous detective, Sherlock Holmes, and Jude Law returns as his friend and colleague, Dr. Watson, in Sherlock Holmes: A Game of Shadows. Holmes has always been the smartest man in the room - until now. Criminal mastermind at large Professor James Moriarty (Jared Harris) is and not only Holmes' intellectual equal, but he has a capacity for evil that may give him a deadly advantage. Now, as a rash of murder and mayhem breaks out across the globe, only Holmes and Watson can stop the cunning Moriarty from completing his ominous plan and altering the course of history.