Rhythm of the Rio Grande

Open up with Al Alt, dancing instructor, coming in on a train with a bunch of showgirls and the backer of the show, Maryland.

It's cattlemen versus sheepmen and Trigger Gargan appears to be the leader of the gang causing the trouble. But unknown to Ranger Tex Lawrence, the respected town citizen Barrow is the boss and is tipping off the gang as to the Ranger's activities.

A wealthy blonde gal in Las Vegas gets mixed up with a lady gangster and the G-man that is chasing the gangster.

Tex Wyatt is blamed for a murder actually committed by Ransom and Holman, a couple of thieves. Tex manages to escape and is reunited with his two ranger pals Jim Steele and Panhandle Perkins, both of whom are working undercover as performers in a medicine show.

The entire town is terrorized. Broncho Billy has again been drinking and is shooting at everything in sight. After "shooting up" a saloon and grocery store Broncho goes to his cabin where he falls asleep. The sheriff and his men arrive, and after a fierce struggle overpower him. The man stationed outside suddenly rushes in and informs them that Broncho's mother has arrived to pay him a visit. The news quickly sobers Broncho, and the sheriff seeing his distress, pins his star on him, and himself dons the handcuffs. When his mother enters she thinks Broncho is the sheriff, and takes pity on the prisoner.

Jim Steele spots Pete Dawson taking horses over the Mexico-Texas border, but Dawson has an alibi. A new group of recruits arrives at the Ranger station, among them Tex Wyatt, the son of Ranger Captain John Wyatt, whom he hasn't seen for many years. Captain Wyatt tells Tex that he is in the Rangers strictly on his own merit and there will be no favors played. He assigns Tex to pick up Dawson's trail, but orders that no arrest be made without proof.

Broncho Billy, an outlaw, while being pursued by the sheriff of Bear County, crosses the line into Gulch County. Later he is captured by the Gulch County authorities, who wire to the neighboring sheriff's office to send a man to bring the prisoner back. A deputy sheriff is sent and that night they stop at a small hotel. Broncho and the deputy become quite friendly and Broncho induces him to remove his handcuffs. While Broncho Billy sleeps the deputy steals downstairs and enters a card game. He loses heavily. He returns to the room and tells Broncho of his loss. They then both turn in for the night. While the deputy sleeps, Broncho slips his gun from his pocket, goes downstairs and holds up the gamblers. Without waking his guardian, he places the loot on the table, then writes a note, telling the deputy that he has gone to the boundary and will be waiting for him there.

An unscrupulous lawyer uses alcohol to swindle an innocent family.

When Steve Harper chases down some rustlers, he loses his gun in the ensuing fistfight. After Wilson is killed, Steve's gun is found nearby and he as arrested. Jimmy Wilson breaks him out of jail and he heads after the real killer.

Death stalked Garou's Landing, in the Canadian frozen north, but who was the killer who murdered two men and left them huddled in the snow. Sergeant Renfrew (James Newill, of the Royal Canadian Mounted Police, accompanied by his dog, Silver King (Silver King the Dog), and Kay Larkin (Terry Walker) the daughter of the man, Andrew Larkin (Robert Frazer) accused of the crime, sets out to solve the crime and bring the real killer to justice.

A cowboy comes to the aid of a lady rancher threatened by Mexican bandits who believe there is a treasure buried on her land.

Special Insurance-Investigator Dan Kennedy and his wonder dog, Tarzan the Police Dog, are called in to investigate the persistent robbing of a shipping-and-storage warehouse in Los Angeles.

Reporter Patsy Reynolds and photographer Eddie Porter are assigned to interview John Foster, head of the Emmerson Foundation regarding a listening device the organization is working on. Foster evades them and they to the lab to see Professor Reynolds, the real inventor. Soon, they are involved in several shootings, blueprints that change hands several times, a corpse in their car that appears and disappears a few times, the loss of their jobs and several people who either think they are killers or candidates for being killed.

Four-part documentary (each part of which was also available as a short subject) relating to films and other customs of the 1910s and 1920s.