När den desillusionerade Roslyn skiljer sig från sin man möter hon Gay, Guido och Perce - en åldrande cowboy, en olycklig mekaniker och en sliten rodeoryttare.
The Three Mesquiteers are forced to track down a train robbery ring after some of the gang hijack their truck for a getaway and the police conclude they are part of the gang, an identification which is just fine with the gang's nameless chief.
An elderly rodeo rider becomes mentor to a young man attempting to make his own name in the business.
Two bounty hunters searching for a wanted man find themselves in the newly built town of Amityville, where nothing is what it seems and evil lurks right under the surface. Soon they are fighting for their lives and souls against a centuries old demonic force that destroys everything it encounters.