Shaggy discovers that his uncle Col. Beauregard has died and left him his country estate, which is apparently frequented by ghosts. Shaggy, Scooby and Scrappy head for the estate in order to claim Shaggy's inheritance. However, upon their arrival they are pursued by a headless horseman and by the alleged ghost of the Colonel who tells them to leave or else. Meanwhile, they meet the creepy manservant Farquard who tells them that a vast fortune in jewels is hidden somewhere on the estate and that it is rightfully his and that Shaggy has no business there.