Shaggy is turned into a werewolf, and it's up to Scooby, Scrappy and Shaggy's girlfriend to help him win a race against other monsters, and become human again.
John Bourgignon, a drummer-chauffeur engaged to the daughter of a United States senator, encounters a sleazy film director, the leader of an aerobics cult, and other crazed characters in the days leading up to his wedding.
