t, is the mystery behind the murder of Sir Charles and causes many difficulties for Sherlock and Watson, in solving the murder. The stock or supporting characters are Dr. Mortimer and Cecil. Dr. Mortimer is the most important stock character, because he helps Watson and Sherlock Holmes in solving the mystery. Selden is the "flat" character because he is an escaped convict, who is thought to be the one behind the murders, but then ends up being murdered by the "Hound."These characters are revealed through the plot. Set in Devonshire, London Sherlock Holmes and Watson are working hard to solve the mystery of "the Hound of Baskervilles." The main plot is the fact that they don't know the real identity of the hound and solving the mystery. The main episode of the plot is when the hound kills Selden the escaped convict, which leaves Sherlock and Watson without a suspect anymore. The main conflict of the plot is when Sherlock Holmes and Sir Henry Baskerville find out that Sir Henry has more family in Devonshire, Stapleton and Cecil, at first they do not know that they are family, but he finds that out toward the end of the story. The climax of the plot is when Holmes, Mortimer, and Stapleton go into a mine to find evidence, but a cave-in almost trapped Holmes, which was probably planned. The outcome of the plot is when Holmes kills the hound just before it tries to kill Sir Henry and they find out that it is just a regular dog wearing a mask. The ending of the story is surprised because Sir Henry is beginning to fall in love with Cecil, but he then finds out that she hates him and is a decedent of Sir Hugo Baskerville, and they are related. He also finds out that Cecil and Stapleton want control of the Baskerville Hall, so they used the legend of the hound kill of the family, so they could inherit the estate. The tone of the book is very suspenseful, because you never know what is going to happen next, and it keeps you interested throughout t...