'The Adventure of the Empty House' is a Sherlock Holmes short story by Sir Arthur Conan Doyle, included in The Return of Sherlock Holmes collection. It was first published in Collier's in the US on September 26, 1903, and in The Strand Magazine in the UK in October 1903. The plot centers on a locked-room murder and Holmes's reunion with Watson, revealing Holmes's survival and continued pursuit of justice.