In the 1973 movie Westworld, vacationers arrive at a new futuristic amusement park where they can live out their fantasies as gunslingers. During their stay, guests live in a recreated Old West town and fight humanlike robots, dressed as outlaws, who are programmed to lose. Then, one day, the robots begin to malfunction and start killing their human challengers. In the end it is every man and robot for himself as the battle between human and machine is waged.