The mysterious series Sherlock recounts the tale of England's most celebrated detective.
Twenty-first century London is the centrepiece for Sherlock Holmes and Dr Watson’s adventures in their very own version of the classic board game Cluedo!
Who killed the criminal mastermind Jim Moriarty?
Was it Irene Adler with a revolver in Mrs Hudson’s kitchen? Did Mycroft Holmes use a dagger in the swimming pool?
Have you seen anything suspicious? Can you help the police solve this baffling crime?
You need all your wits about you to find out!