Priory School: The son of the wealthy Duke of Holdernesse is kidnapped from his preparatory school. Holmes and Watson are asked to investigate, but the trail is cold and the boy seems to have vanished. A search of the surrounding moor uncovers surprising evidence that leads the famous sleuth to the trail of the missing boy, and a murderer. Wisteria Lodge: Mr. Scott Eccles, a guest of Mr. Aloysius Garcia of Wisteria Lodge, awakens to find his host, the footman and the cook all had vanished in the night! Holmes and Watson enter into one of the most baffling and intriguing cases of their careers .