A series of brutal murders terrorises an island community, it seems no-one is safe. As the body count builds, the investigating team, led by an incompetent Senior Officer, is being pressured for results.
Expert profiler, John Prothero is leaving the unit to take up a role with the Home Office. He recommends that his protégée, Ellie Shaw takes over his position.
It seems that no one, least of all Ellie herself, believes that she has the maturity that taking the lead in the investigation needs. But she has something that her mentor never possessed… but at what cost?