After 6 decades of brutal murders the West Yorkshire Police fear that they may have already interviewed The Ripper and let him back in to the planet to continue his reign of terror upon the citizens of Yorkshire, however, things become difficult for the Authorities whenever they discover they not only have The Ripper to catch, however a copycat killer is also at large. Assistant Chief Constable of the Manchester Police, Peter Hunter, is also called in to oversee the West Yorkshire Police's Ripper investigation, with the help of John Nolan and Helen Marshall, both detectives from the Manchester Policeand they choose to go back and look at the offense reports by the Rippers victims to see exactly what they might have missed.