The fall carnival is in town and everyone is ready for a good time. For the kids in the Wolfhollow Kennel Club, it is a welcome distraction, after a dangerous rescue causes their parents to shut down all operations. But strange things start happening in the town of Wolfhollow and the evidence points at a member of the carnival, a good friend of the club. Can the club members clear their friend without disobeying their parents, and can they solve the mystery of the spooky carnival?