Mary Gillespie is restoring the Col. Gillespie Circus to its former splendor after her father's death. With the help of her publicist boyfriend Jim, the sell-out crowds are returning to the big top. Egotistical equestrian star Senor Martinet, however, holds $60,000 of notes signed by the Colonel and due in 24 hours. When a mysterious shadowy figure is seen on the circus lot, and Martinet is murdered in the center ring during his performance, there are suspects aplenty, including Vindecco, Martinet's badly abused hunchback assistant.

Undercover agent Mark Owens is sent to aid the Border Patrol in the trans-border town of Hernandez in breaking up a well-organized band of smugglers.

A feud between taxicab companies forms the basis of this drama. The trouble begins when the hero is double-crossed and framed for a murder by his rival with whom he was competing for the position of fleet superintendent in the city's biggest cab company.

The Missing Daughters of the title are innocent young girls who've been led astray by seedy dance-hall operator Lucky Rogers.

After being criticized by the Citizens' League for his inability to cope with a crime wave, Police Captain Haines orders his men in the Homicide Bureau to clean up all their cases, but without violating the constitutional rights of any suspect. Detective Jim Logan is ordered to meet the incoming new-head of the Police Department lab and internal affairs, J.G. Bliss, and takes an instant dislike to her over her attitude toward criminal's rights.

Squadron of Honor takes place during an American Legion convention, with newsreel shots of the genuine article interspersed among the reenacted scene. A murder is committed, and young legionnaire Blane (Don Terry) wants to find out who's responsible. The cops are convinced that pacifistic munitions executive Metcalf (Thurston Hall) committed the crime, but in fact Metcalf has been framed by pro-war armaments manufacturer Kimball (Robert Warwick).

With the increasing popularity of Republic's sagebrush crooner Gene Autry, rival company Columbia found it necessary to add a musical element to this Charles Starrett Western released in early 1937. As Starrett himself was no singer, the studio hired Donald Grayson to warble Lonesome River, Out in the Cow Country and Pancho's Widow, all by Ned Washington and Sam H. Stept.

Two newly-appointed postal inspectors, Frank Marshall and 'Slim" Hewitt, set out to track down the sender of a time-bomb to a U. S. Senator and, during their investigation, run across a hooded organization that is terrorizing an American city. They also meet Don Foster, who is loud in his condemnation of the terrorists, and his sister, Nancy, who fears for her brother's life.

An evil villain steals a newly invented death ray.

Arrested for speeding by highway patrolman Bill Rolph (Robert Paige), J.W. Brady (Robert Middlemass), the president of an oil refinery, offers him the assignment to find the culprits who have wrecked his gas stations, hi-jacked his trucks and attempted to blow up his plant.

Having paid for the education and legal training of his younger brother, Bruce, with the idea that he would become a lawyer and join his business, Frederick Garth, a racketeer posing as an honest businessman, is dismayed when he learns that Bruce has become a G-Man instead.

Following a long investigation, Police Detective-Lieutenant Anthony "Tony" Roberts becomes convinced that there is some powerful unknown-master-mind leader behind the gangs of crooks who are terrorizing the city, and it has something to do with paroled convicts. He sets up a scheme with his supervisor to have himself shamed by being demoted to a patrolman and then caught in the act of receiving bribe-money from a racketeer. He is convicted and sent to prison, and the manner in which his parole is arranged leads him, dangerously, to the secret-head of the gang.

Government undercover agents William Dennis and Joan Barclay are working to solve the disappearances of girls working as "taxi-dancers" from dance halls operated by Jack Miranda and his henchman Nifty.

In this adventure, a courageous Canadian Mountie must bring peace an embattled miner and an unscrupulous trader whose price mark-ups are beginning to hurt the community. They fight so frequently that when the avaricious proprietor is killed, the young man becomes the prime suspect.

Former police chief Tim Halloran Sr. (Willard Robertson) fully expects his son Tim Jr. (Alan Baxter) to follow in his footsteps, flat though they may be. Instead, the younger Halloran opts for the easy road of crime.

Hero Jeff Strong (Starrett) comes to the rescue of a group of victimized ranchers. The villains are a gang of crooked gamblers, who demand a valuable dam as payment for a $50,000 debt. The ranchers hope to earn the money by getting their cattle to market on time, but head bad guy Cash Fenton (Kenneth MacDonald) and his flunkey Lobo (Dick Curtis) intend to prevent this.

Tim Dale is the son of the president of a big-city telephone company and quits his job following a dispute with his father over company policy. He takes up polo playing. Circumstances force him to give up his polo-playing and take on the job of helping a small-town telephone company overcome a plan by a gang to force the company out of business. He calls in his telephone-company pals Bob Hall and Jack to aid him against the crooks led by Matthews and Jackson, working for crooked lawyer Thomas Benton.