Following the disbandment of Mystery Inc., Crystal Cove is attacked by a Man-Baby called Crybaby Clown. Mayor Fred Jones Sr.’s successor Janet Nettles is approached by a mysterious figure who gives her the files on Mystery Inc. while stating that she has to get Mystery Inc. back together. She starts by picking up Scooby-Doo from a farm, introducing herself to him and telling him of her mission. At a military school, Shaggy is being scolded by his drill sergeant for not shaving the hairs on his chin until Scooby crashes into the barracks in a tank and gets Shaggy out of there.