Having fled to Mexico from the U.S. many years ago for killing his father's murderer, Martin Brady travels to Texas to broker an arms deal for his Mexican boss, strongman Governor Cipriano Castro. Brady breaks a leg and while recuperating in Texas the gun shipment is stolen. Complicating matters further the wife of local army major Colton has designs on him, and the local Texas Ranger captain makes him a generous offer to come back to the states and join his outfit. After killing a man in self-defense, Brady slips back over the border and confronts Castro who is not only unhappy that Brady has lost his gun shipment but is about to join forces with Colton to battle the local raiding Apache Indians.

Unrepentant Tennessee moonshine runner Luke Doolin makes dangerous high-speed deliveries for his liquor-producing father, Vernon, but won't let his younger brother Robin join the family business. Under pressure from both out-of-town gangster Kogan, who wants a piece of the local action, and Treasury agent Barrett, who wants to destroy the moonshine business, Luke fights for his fast-fading way of life.