After Bat's good friend and railroad tycoon Hugh Blaine is conned in a complex land and cattle swindle, Blaine hires Bat to get his money back and bring the crooks to justice. However, Bat ends up digging his own grave.

Bat is asked to find how stolen Mexican cattle, many diseased, are entering Texas and mingling with local animals. With the help of the local sheriff he prints a wanted poster which he hopes serve as his introduction to the local rustlers.