The ranchers have given money through Benton to the crooked lawyer Harkness to save the titles to their land. When Harkness gets a better offer, he steals Benton's receipt for the money and Benton is jailed. To fight back, Benton escapes jail at night to become the Phantom.
Kincade and Blake cause a mail plane carrying a payroll to make a forced landing in the desert. When they try to get the money, prospectors Ted and Si drive them away. With the pilot shot, Ted takes over as pilot figuring another attempt will be made and this time the Sheriff will be there.
Cowboy is hired by an archaeologist to help find "Hidden Valley", where an Indian gold treasure is supposed to be buried. Just when he finds it, the archaeologist is killed, and the cowboy his charged with his murder.
When legendary hunter Bob Rainsford is shipwrecked on the perilous reefs surrounding a mysterious island, he finds himself the guest of the reclusive and eccentric Count Zaroff. While he is very gracious at first, Zaroff eventually forces Rainsford and two other shipwreck survivors, brother and sister Eve and Martin Towbridge, to participate in a sadistic game of cat and mouse in which they are the prey and he is the hunter.
John Drury saves Duke, a wild horse accused of murder, and trains him. When he discovers that the real murderer, a bad guy known as The Hawk, is the town's leading citizen, Drury arrested on a fraudulent charge.
The Wrecker wrecks trains on the L & R Railroad. One of his victims is Larry Baker's father. Baker wants to find the evildoer, among a host of suspects, but it will be difficult since the Wrecker can disguise himself to look like almost anyone
William Poster writes a gossip column for the Morning Gazette. He will write about anyone and everyone as long as he gets the credit. He gets most of his information from his showgirl gal-pal, Peggy. Eventually Bill's reckless tattling gets him in deep trouble with friends and enemies, putting his career and life in jeopardy.
A young woman turns to Holmes for protection when she's menaced by an escaped killer seeking missing treasure. However, when the woman is kidnapped, Holmes and Watson must penetrate the city's criminal underworld to find her.
Prizefighter Jimmy Nolan, facing an opportunity to get a championship fight, is knocked out when he sustains what is apparently a permanent injury to his arm. From there, Nolan's path leads downhill. He is drawn into a romance with a nightclub entertainer, then is framed on a theft charge by a jealous suitor. After his prison term, Nolan makes a spectacular comeback in a fight which proves his courage and integrity, while disproving the fallacy about the old sports adage that "they never come back."
Famous auto racing champion Joe Greer returns to his hometown to compete in a local race, discovering that his younger brother has aspirations to become a racing champion.
Jim Gray is looking for the gang leader known as the General. When Neil Denham is murdered, Jim assumes his identity. He and his pal Squint Saunders then try to join the gang. But they get captured and Jim is told he can join up only if he kills his friend.
James Parker and Harry Holt are on an expedition in Africa in search of the elephant burial grounds that will provide enough ivory to make them rich. Parker's beautiful daughter Jane arrives unexpectedly to join them. Jane is terrified when Tarzan and his ape friends abduct her, but when she returns to her father's expedition she has second thoughts about leaving Tarzan.
Heading west, Ken and Bouncer end up at the Brooks ranch where Ken is to ride Tarzan in the big race. But both the Sheriff and Edmonds are after him and he must hide both himself and the horse until race time.
When Texas Grant rides into town people think the supposedly dead Jim Rawlins has returned. After a confrontation with Utah Becker, Grant learns Jim's wife, Helen, is about to lose her ranch to Becker, so he decides to stay and pose as Rawlins in an effort to help her.
A cowhand and his sidekick come to the Texas border country looking for the man who had lured the cowhand's sister in bondage in Mexico. But the man doesn't want to be found and has hired some gunmen to see that he isn't.
Clint Belmet (Gary Cooper) is a bit of a firebrand and is sentenced to at least 30 days in jail, but his partners, Bill Jackson (Ernest Torrence) and Jim Bridger (Tully Marshall) talk a sympathetic Frenchwoman named Felice (Lili Damita) into telling the bumbling, drunken marshal that Clint had married her the previous night. Clint is released so he can accompany Felice on the wagon train heading west to California.