cassidy blakes parents are the inspecters a somewhat inept ghosthunting team but cass herself can really see ghosts in fact her best friend jacob just happens to be onewhen the inspecters head to ultrahaunted edinburgh scotland for their new tv show cassand jacobcome along in scotland cass is surrounded by ghosts not all of them friendly then she meets lara a girl who can also see the dead but lara tells cassidy that as an inbetweener their job is to send ghosts permanently beyond the veil cass isnt sure about her new mission but she does know the sinister red raven haunting the city doesnt belong in her world cassidys powers will draw her into an epic fight that stretches through the worlds of the living and the dead in order to save herself