The Hounds of Baskerville order to test his theory. He also points out Sherlock was wrong for once; he believed the drug was in Henry's sugar and put it in John's coffee. In the closing scenes, Mycroft oversees the release of Jim Moriarty (Andrew Scott) from a holding cell in which he has written Sherlock's name all over the walls. The story is based on Arthur Conan Doyle's novel "The Hound of the Baskervilles", and also contains plot devices and lines from other Doyle stories: In June 2011, it was announced that Russell Tovey would appear in "Sherlock" series two in its second episode.
The Moor (novel) moor is central to the story, brooding over it as the moor broods over the surrounding landscape. It also has Rev. Sabine Baring-Gould as a central character. He has a strong intellectual curiosity and is the driving force behind the investigation. Laurie King uses many of the elements of The Hound of the Baskervilles. These elements are introduced deliberately on the part of the criminals and there are echoes of the original story. The way that Holmes reacts to the many mentions of the original case, with a mixture of pride and exasperation, allows for some very humorous moments. The