When Bill Croft, a notorious gunfighter, is bushwhacked, innocent rancher Frank Douglas is accused of the crime on circumstantial evidence and sentenced to be hanged. Jack Douglas, Frank's son, sets out to prove his father's innocence with the help of Jean, the murdered man's daughter; Jack eventually apprehends the killer and forces him to confess, but the sheriff is unable to stop the execution without an official pardon.

A Spanish-American boy raised by his Mexican servant, Clay Hill, Jr. vows vengeance on the three ranchers who murdered his parents.

Anna Jones, racing her brother Dick to their ranch, is "rescued" from her fast horse by a stranger (Cranner) whom she indignantly brands a bonehead before riding away. "Big Bill," a ranch employee, steals the payroll bag and joins his gang in the forest, where the stranger sees them hiding the bag in a shack. He investigates and is captured by the gang. His dog, Bunk, however, leaps through a window with the loot, buries it, then returns, frees Cranner by digging a hole under the wall, and keeps the bandits at bay while Cranner escapes.

Cowboy Jack Carter, the proud owner of the Australian shepherd Bunk, accepts the challenge of corralling 10,000 wild horses within a 10-day period. With the enormous sum for his efforts, Jack prepares to propose to Jessie Hayden. Unfortunately, Jack's rival, Charlie Champion, seeks to stop him from achieving both of his goals.

Ned Raleigh, a cowboy on the Stone Ranch, is laughed at by his pal Rawhide Barton for emulating his chivalrous namesake, Sir Walter Raleigh. Manning, an eastern capitalist, agrees to make Stone a loan to pay off his mortgage if he surrenders 200 head of cattle as security; Manning, after he discovers oil on the property, conspires with Blake, Stone's foreman, to hide the stock, and thus secure the land for himself.

Carter Brace is out to murder Belden. Collins who was sent to bring in the border gang led by Brace, saves Belden's life in San Francisco. When they all reach the border, Brace tries again.