The members of Mystery, Inc. go their separate ways after becoming bored of mystery solving. Daphne Blake, along with Fred Jones (Scooby-Doo), starts running a successful television series. Velma Dinkley becomes the proprietor of a mystery bookstore, and Scooby-Doo (character) and his owner Shaggy Rogers bounce from job to job. For Daphne's birthday, Fred decides to get the gang back together for a road trip while Daphne is filming her show.