The eighth book in the popular John Eisenmenger forensic mystery series - The newly promoted Chief Inspector Beverley Wharton once more turns to forensic pathologist John Eisenmenger to help with the discovery of a severed male head in a local farmyard. When a headless - but female - body then turns up in a dustbin, they must acknowledge that this is the work of a serial killer. However, this killer seems to have scientific knowledge and a desire to experiment with his victims in his search for the human soul . . .