After Mystery Inc. bumbles a case and nabs an innocent man, the gang is forced into early retirement from case-solving. But it doesn't take long before their old friend Vincent Van Ghoul needs help and pulls the team right back into action. It all started one summer when Scooby-Doo, Shaggy and Daphne secretly tracked down 13 of the world's spookiest ghosts, and caught all but one. With the 13th ghost on the loose, the gang will have to leave their secrets in the past and settle some unfinished business. Bundle up and get ready for the icy slopes of the Himalayas, chilling car chases, crystal balls and spine-tingling spells in this terrifyingly fun original movie!