Sherlock Holmes is a 2009 period mystery action film based on the character of the same name created by Sir Arthur Conan Doyle. The film was directed by Guy Ritchie and produced by Joel Silver, Lionel Wigram, Susan Downey and Dan Lin. The screenplay by Michael Robert Johnson, Anthony Peckham and Simon Kinberg was developed from a story by Lionel Wigram and Michael Robert Johnson. Robert Downey, Jr. and Jude Law portray Sherlock Holmes and Dr. John Watson respectively. In the film, set in 1891, eccentric detective Holmes and his companion Watson are hired by a secret society to foil a mysticist's plot to expand the British Empire by seemingly supernatural means. Rachel McAdams stars as their former adversary Irene Adler and Mark Strong portrays villain Lord Henry Blackwood.