Brisco and Lord Bowler both track John Bly to Poker Flats, where  Brisco’s childhood partner, Deputy Donovan, is sheriff. While there,  Brisco meets a man, Professor Coles, who has been studying the Orb for a  long time and knows its secrets. They discover that Bly is obsessed  with locating a mysterious gold metallic orb with special powers – and  he will use and kill anyone to find it.