Scooby-Doo is an "Ameri-canine" icon, the most beloved cartoon pooch of the past three generations. The Gang's Favorite rock group, The Electric Pickle is playing a concert, but trouble goes down when the lead singer Steve Stringbean vanishes in a puff of pyrotechnics, and is replaced by, ZOINKS! A rock 'n' roll Zombie! Who's trying to ruin the band? Is it a bitter jilted ex-? a former band member? Maybe it's Steve Stringbean himself because he wants out of his contract!