Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Sherlock Holmes is a 2009 action mystery 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. Holmes investigates a series of murders, apparently connected to occult rituals. Lord Blackwood is the mysterious villain. The story culminates with a confrontation on top of Tower Bridge, still under construction.