Corrupt rancher Rance Macgowan resorts to deceitful tactics to capture protected wild horses, using a trained killer horse to wreak havoc and destruction among local ranches. When the government lifts restrictions on rounding up the herd, the Three Mesquiteers become embroiled in the controversy after a friend, Sheriff Miller, is tragically killed by the rogue horse.
Hit the Saddle
A greedy rancher seeks to shut down a local wild horse sanctuary to capture and sell the horses, while a romantic subplot unfolds as a man tries to save his marriage from a gold-digging saloon girl.