In the future there is no such thing as a serial killer.
A breakthrough research project has detected an active gene present in all known psychopaths and developed a vaccine to make it completely dormant. People are inoculated at birth. Society has rejoiced the extinction of the sociopathic mind.
There hasn't been a serial killing in America in over 40 years.
Sheriff MacArthur Gray resides in the future but lives in the past. His world views have chased him from a large metropolis to his home town, but there is no sanctuary to be found after he arrives.
Because people are dying and only he can see the truth.
A psychopath has somehow survived and is thriving in the new world. Soon Gray is thrust into a nightmarish race against the killer where no one is safe, and everyone is a suspect.