Haunted by the echoes of an old case, McLean struggles to piece together the elusive connections between a series of strange deaths shocking the city. The investigation draws him ever deeper into the upper echelons of Edinburgh society. Powerful people who do not take kindly to being asked the wrong questions. McLean never was one to toe the line, and his stubborn refusal to do so brings into play shadowy forces that put not only his career but his life in grave danger. In chasing the monsters of the present, McLean must also confront shadows of the past – but at what cost? Is it too late to undo the damage that has been done . . .?