Behind the film
- Year
- 2009
- Director
- Guy Ritchie
- Writers
- Michael Robert Johnson, Anthony Peckham, Simon Kinberg
- Runtime
- 2h 8m (original theatrical)
- Genres
- Adventure, Crime thriller, Action, Buddy cop
- Production
- Silver Pictures, Village Roadshow Pictures
- Country
- United Kingdom, Australia, United States, Germany
- Cast
- Robert Downey Jr., Jude Law, Rachel McAdams, Mark Strong, Eddie Marsan, Kelly Reilly, James Fox, Hans Matheson
About the film
Contains story spoilers.
Guy Ritchie’s Sherlock Holmes begins with the detective already in motion. Holmes and Dr John Watson interrupt a ritual in London, saving a woman and bringing Lord Blackwood into police custody. The apparent occult practitioner has other murders behind him, and his arrest looks like a conclusion rather than an opening. But the two investigators are approaching a change in their own arrangement. Watson intends to marry Mary Morstan and move out of Baker Street, leaving Holmes to confront how much he relies on a companion he routinely irritates. Robert Downey Jr. and Jude Law play that connection through arguments, familiar habits, and practical cooperation, letting the investigation grow around a friendship threatened by ordinary adulthood.
Holmes’ intelligence does not make domestic life easy. He retreats into disorder when a case is absent, conducts experiments, and handles Watson’s impending departure with a mixture of resistance and provocation. His deductions about Mary at dinner demonstrate how an accurate observation can still be cruel when used at the wrong moment. Watson is a capable doctor and combatant who understands these habits, not simply a spectator waiting for the detective to explain everything. Their physical coordination in the opening shows a partnership already tested through experience. The question of whether they will continue working together runs alongside the criminal mystery, giving each new call for Watson’s help a personal consequence.
Before his execution, Blackwood summons Holmes and predicts further deaths. Watson examines him after the hanging and declares him dead, making later reports that he has risen from the grave a challenge to both men’s expertise. The opened tomb contains the body of Luke Reordan instead. Reordan is also the missing person Irene Adler has asked Holmes to locate, bringing her business into the investigation. Adler knows how to unsettle him and has an employer whose identity she does not disclose. Following the dead man’s possessions and experiments leads the partners toward a scheme built from material clues, even while Blackwood encourages everyone else to believe that supernatural power explains his return.
The Temple of the Four Orders gives the mystery a political setting. Its leading members include men with influence over the government, and Blackwood’s connection to their chief, Sir Thomas Rotheram, reaches into a family secret. Rotheram dies, and another member’s attempt to shoot Blackwood ends in a seemingly impossible death. Lord Coward helps Blackwood assume control of the organization. The threat is now larger than a series of killings: Blackwood intends to seize power by making influential witnesses believe resistance is useless. His ceremonies supply a language they already recognize, while carefully prepared effects make that language look like proof. Holmes has to distinguish the evidence from the interpretation his opponent wants attached to it.
The investigation brings Holmes, Watson, and Adler through workshops, docks, and industrial spaces where the supposed magic has been manufactured. An explosive confrontation injures Watson, raising the cost of Holmes’ appetite for pursuit. Lestrade remains an important connection within the police even when Holmes becomes a wanted man. By reading signs left on Coward’s clothes and tracing the ritual pattern, Holmes identifies the sewers beneath Parliament as the location of the final plan. Reordan’s machinery has been adapted to kill Blackwood’s political opponents while sparing his supporters. Adler helps disable it before the attack can succeed, and the conspiracy loses the practical mechanism behind its promised supernatural authority.
The pursuit ends on the unfinished Tower Bridge. Its scaffolding and exposed height turn a landmark under construction into a precarious place to settle the case. Holmes confronts Blackwood with explanations for the apparent resurrection and the deaths that followed, linking each performance to preparation and deception. Blackwood becomes entangled in the bridge’s chains and dies. Adler then identifies her employer as Professor Moriarty, whose interest has followed a different course. While the others concentrated on Blackwood, someone removed a key component of his device. The film closes with that unresolved theft, after allowing Watson’s move and the immediate criminal plot to reach their own turning points.
Ritchie makes Holmes’ thinking visible through the way action is arranged. Before some fights, the detective studies an opponent and mentally rehearses a sequence of movements; the scene then plays out at speed. The method ties physical skill to observation, turning a punch or a fall into the result of a calculation rather than an interruption of the detective work. Other encounters are messier because people and surroundings will not always cooperate with a plan. Downey’s quick delivery and abrupt changes of attention support that rhythm, while Law gives Watson a steadier presence capable of challenging Holmes instead of simply matching his eccentricity.
London is crowded with signs of construction and change. River traffic, industrial machinery, uneven streets, and the developing bridge give the characters a world in which new technology can hide behind an old explanation. Blackwood exploits precisely that gap: people frightened by a ritual may overlook the materials and mechanisms that make it possible. The camera’s attention to objects, stains, and small physical traces allows the explanation to grow from the same city that supplied the spectacle. Adler’s involvement complicates the detective’s confidence in another way, since understanding how something works is not the same as knowing whose purpose it serves. The case is solved, but the relationship between information and power remains active beyond it.

