

Douglas of Birlstone Manor was found murdered. Soon after, Inspector MacDonald of Scotland Yard informs Sherlock and Watson that Mr. Watson, to decode Porlock’s message from it, they learn that the life of John Douglas, who resides at Birlstone, is in danger. Sherlock enlists the help of his friend and sidekick, Dr. Despite the fact that the law sees Moriarty as innocent, Sherlock firmly believes him to be the puppet master of a criminal underworld.

From time to time, Porlock sends Sherlock inside information about Moriarty’s endeavors.

At the beginning of this novel, Holmes gets a message from one of Professor Moriarty’s agents-Fred Porlock. The Valley of Fear by Arthur Conan Doyle is one of many stories about Doyle’s famous detective, Sherlock Holmes.
