What would you do if everyone thought your best friend was dangerous? Polly the witch and Buster the monster shouldn?t be friends. And they definitely shouldn?t be on the run from almost everyone in town. But when Polly is called to the Hollow Valley Mines - the forbidden, haunted mines - by her magic stones, these two best friends have a big decision to make. Do they stay hidden and safe, or risk it all to save the day?.