Marshal Keller and the Blackheart Gang

A ruthless outlaw- Frank “Black heart” Jordan is holding the town of Hot Spring New Mexico hostage, requiring a monthly “protection” payment to keep them safe from other outlaws. They seek help from former US Marsh Jake Keller and his assistant, the brilliant, but eccentric inventor, Professor Kirby “Higgs” Higgstrom. Will technology save the day or will Hot Springs burn?