When Scooby, Scrappy and Shaggy are hired as coaches at Miss Grimwood's Finishing School, they soon discover to their horror that they're not teaching at a girls' school ... they're teaching at a ghouls' school--home to the daughters of rich and famous monsters, like Winnie the Werewolf, Elsa Frankenteen, Sibella Dracula and the Mummy's daughter. But the Scooby gang doesn't let a few monsters stop them from their task. They train the ghouls for a big sports tournament against the boys at a nearby military academy. And the ghouls win! But danger strikes at a Halloween celebration and it's Scooby and pals to the rescue!