When John Slaughter's attempt to live the simple life of a cattle rancher is thwarted by rustlers, he decides to join the Texas Rangers in order to pursue the thieves who stole his herd.
Slaughter trails the outlaws' leader to a secret meeting of the gang, where he discovers that they are planning an assassination -- of Slaughter himself!
Slaughter's girlfriend's life is threatened when she is held hostage in her home by bank robbers.
In order to trap a gang of outlaws who have taken refuge in Mexico, Slaughter and his men go undercover posing as bank robbers.
After Slaughter forces gambling cheats to give back their winnings, they plot to take revenge by stealing his cattle.
After John starts a prairie fire to save his cattle from being stolen by a band of Comanches, he is unjustly accused of rustling and murder.