Torn away from his family life, DI Denis Hamilton is urgently called into a briefing in the early hours of his weekend off. He must unravel an investigation he thought had long closed.Putting his personal worries to one side, Hamilton and his Murder Investigation Team come up against a patient with a mental disorder hell-bent on revenge.Comparing the present day with memories of his tragic past, can Hamilton open his mind to the difficulties of mental illness in order to catch a murderer?And when a colleague's life is threatened, can Hamilton unlock the truth of the stranger within before it's too late?
