Bioinformatics professor and serial killer hunter Dr. Theo Cray receives an informal request from the FBI to investigate an unexplained murder. Two forensic scientists died in the very place where the killer caught by Kray buried the bodies of his victims. A forensic expert is in custody in a state of shock, not showing aggression. An MRI scan of his brain shows something unusual. What made him commit the murder? Soon, Dr. Cray discovers a mysterious man visiting crime scenes. His new enemy has no less magnificent intellect than Cray himself, and is just as pathologically obsessed...