A mysterious cipher is being scrawled on the walls around London. The first person to see the cipher is dead within hours of reading it. Sherlock plunges into a world of codes and symbols, consulting with London's best graffiti artists. He soon learns that the city is in the grip a gang of international smugglers, a secret society called the Black Lotus.
Stars: Benedict Cumberbatch, Martin Freeman, Rupert Graves
Director(s): Steven Moffat, Arthur Conan Doyle
Writer(s): Steven Moffat, Arthur Conan Doyle
Genres: Crime,Drama,Mystery,Thriller