In The adventure of the empty house: In disguise, Sherlock Holmes returns from his supposed death at the hands of Moriarty, much to the astonishment of his friend, Dr. Watson. After explaining where he's been for three years, Holmes leads Watson to an empty house where they find Moriarty's second in command, Sebastian Moran, firing his air rifle across the street at a moving silhouette of Holmes in the study of 221B. Moran is captured and revealed...