Fourteen-year-old Cosmo Hill longs to escape from the Clarissa Frayne Institute for Parentally Challenged Boys. When a rare chance to get away comes he grabs it but the attempt goes fatally wrong. He can feel his life force ebbing away sucked out of him by a strange blue Parasite ... until a wisecracking gang of kids burst in blast the creature and save him. They are the Supernaturalists dedicated to ridding the world of these life-sucking blue parasites. When they realise that Cosmo has the ability to see these blue creatures too they enlist him as one of them. Their mission leads Cosmo into a world of high-level corruption James Bond type technology thrilling adventure and finally back to a place that Cosmo ever thought hed have to return...the dreaded Clarissa Frayne.