The discovery of a grotesquely mutilated body of a young man in Seville, Spain, sets off an investigation into an apparently psycho-sexual murder that has disturbing personal implications for chief detective Manuel Arroyo and Olivier Joaquin Ortega, the forensic pathologist handling the case. Interwoven with the official search to understand this mysterious death is the murder victim's haunting narration of the final days in his life, stalked by a psychopath through the squares, bars, and cafes of the city. What drives his pursuer to murder? Is it really psychosis that compels him, or is it a worship even darker than the Moorish influences that haunt the city?