After escaping the Bishop's house with Ben Fletcher, Kassidy soon learns that there's more to Ben than the eye can see. Still running from the demons and police, her journey takes her north in a frantic pursuit to find Doctor Langstone, in the hope that Kassidy and her friends can remove the ever-spreading drug - VA20. But will Kassidy get there before it takes over her mind and body, before she is snatched back to Cruor Pharma? Can she really make it, now that the demon, Doshia, seems to be travelling amongst her and her friends? "Demon" - Book 3 in the #1 bestselling paranormal thriller series, by Lynda O'Rourke.