There's a new craze sweeping across the country - the mysterious DJ Pardoman and his 'Purple' club. Everyone wants to be a part of it - nobody wants to be left out. But when a competition is launched to find the real DJ Pardoman, Dinah and her friends become suspicious. Could the DJ be their old enemy, the Demon Headmaster, in disguise? A fast-moving story with a series of surprising twists, and all the excitement Demon Headmaster fans expect.