A phone call intrudes on retired Detective Inspective Frank Elder's solitary life in Cornwall. It's his estranged wife and she needs a favour. A friend's sister, Claire Meecham, an unassuming widow in her fifties, has gone missing. Elder agrees to return to Nottingham to try and track her down. Then, Claire is found, dead. The killer has arranged her body meticulously, almost lovingly, forcing Elder to remember another dead woman, arranged in an almost identical way. It was his first case with the Serious Crimes Unit. His first case and never solved. It's clear to Elder that this is the work of the same unbalanced individual and, to find the killer, Elder must shine a light into the darkest recesses of human behaviour, the dark and twisted recesses of a disturbed human mind...