Robert Downey Jr. And Jude Law team up for two exciting adventures from director Guy Ritchie. First, Holmes (Downey) and Watson (Law) due against the ruthless Lord Blackwood (Mark Strong) and brilliant temptress Irene Adler (Rachel McAdams). Thin in A Game of Shadows, the duo faces their greatest enemy, Proferror Moriarty (Jared Harris), in a dangerous battle that could alter world history.