The Adventure of the Missing Three-Quarter

In "The Adventure of the Missing Three-Quarter", a young rugby player asks Holmes and Watson for help finding his missing teammate before a big game. The client explains that his missing teammate disappeared with an older man after sending a mysterious telegram. Holmes and Watson, using forensic techniques on the telegram, track the missing player to a nearby town. After being stonewalled by the doctor of the missing player, Holmes finally him with the help of a tracking dog. Then Holmes and Watson learn the shocking secret of the man's disappearance.