Cisco and Pancho have their canteens riddled with bullets at the ranch water hold of eccentric Isobel Landry. In questioning Isobel for her quick shooting, Cisco learns that she has forbidden her son to associate with housemaid Ellen Marlin whom he loves, and has ordered Ellen off the ranch. Pancho talks the lovers into eloping, and he and Cisco lead them in an exciting escape from the pursuers sent by angry Isobel. To get even, Isobel makes a new will, leaving everything to her foreman, Emerald. But Isobel changes her mind and is about to tear up the will when Emerald, afraid of losing the inheritance, shoots her. Cisco and Pancho give chase and corner Emerald in a canyon where a blazing gun battle pins Pancho out of ammunition as Emerald closes in or the Kill!