Representatives of an ancient English family, blindly believe in the legend of the evil rock of sorts – the hound of the Baskervilles - a hell of a monster of enormous size, with shining hair and glowing eyes. The body of Charles Baskerville is found with twisted horror face and with traces of a huge dog nearby. All residents have demonstrated that a terrible beast has re-emerged from the abyss to take the descendant of the Baskervilles. The cause is taken the famous detective Sherlock Holmes, he is able to understand how true is the legend of the hound of the Baskervilles.