Gunfighters of Casa Grande.

In this western, a gambler wins a big Mexican ranch and decides to herd all of the cattle upon it into Texas. The crook enlists the aide of a few Mexicans, but they don't realize he plans to cheat them. En route, the cattle drivers are ambushed by banditos. They survive, but during the course of the struggle, the cattle hands learn the truth and ensure that justice gets served.