When he runs for sheriff, Hoppy is beaten by Jerry Doyle, the gutless wonder voted for by every crook in town. When Hoppy moves to have the new sheriff impeached, outlaw leader Tad Hammond hires forty gunslingers to stop him. Stop Hoppy? Hah!
Renegade Confederate soldiers take over a frontier town, but after they molest a young black woman, a group of ex-slaves arm themselves and counter-attack.
Tom Mix portrayed a daredevil ranger on the trail of a gang of outlaws. To get close to the gang, Tom utilizes various cunning disguises, including donning the garb of a medicine man. Along the way, complications arise when Tom falls for the niece (Natalie Joyce) of the gang leader (William Welch).
A band of Klan-like night riders have been running rampant, and ranch owner Julian Marbolt (Andre Beaulieu) -- who is afflicted with day blindness and can only see in the evening -- offers a reward for the leader's capture.
Beloved teacher Miss Hinklefink inherits a western ranch, and to spend the summer with Professor Townley, she invites students Freddie, Dodie, Betty, Lee and Roy to join if Townley will co-chaperone. Sketchy real-estate agent Tom Sneed tries to persuade her to send the kids home when desperadoes rob the bank. Sneed's henchman mistakes Freddie for a baby-faced killer framed for a murder actually committed by Sneed, and ranch foreman Big Jim, also working for Sneed, tries to kill Freddie.
Bob and Jim Whitely are twin brothers. Bob, an army veteran who suffered shell shock in the war, escapes from a sanitarium and holds up the Express train, for which Jim is mistakenly arrested. Jim soon escapes from jail in order to find his brother. However, his task is complicated by a crooked sheriff who pins a holdup and murder on him that the sheriff himself actually committed. To make matters worse, the murder victim was Tommy Wilkins, the brother of Jim's fiancee, who now thinks that Jim killed her brother.
The arrival of the telegraph put Pony Express riders like John Blair and his pal Smoky out of work. A race will decide whether they or stageline owner Drake get the government mail contract.