A father and son criminal duo steal Boss Hogg's silver from the Boar's Nest and hide out in the abandoned Pringle Mansion, which is rumored to be really, really haunted. When Mary Lou Pringle returns to Hazzard to sell the family estate, the crooks try to scare her off by staging a series of supernatural events. She turns to Bo & Luke for help. Though at the time, they're busy outrunning Rosco, who has been ordered to arrest them for the silver theft.