On a quest to solve a string of mysterious and brutal murders, Sherlock Holmes (Robert Downey Jr.) and his trusted ally Watson (Jude Law) plunge into a world of dark arts and startling new technologies, where logic, and a good right hook, are the best crime fighting weapons. Explosive action, baffling mystery and astonishing intrigue follow the two in a race to uncover and foil a terrifying plot that threatens to destroy the country. Director Guy Ritchie helms the all-action adventure reintroducing the great detective to the world. Robert Downey Jr. is the new Sherlock Holmes.