Mickey Lofton, young half-brother of famed war-aviator Jerry, fails in his attempt to enter the Canadian Air Corps, because of his fear of thunderstorms developed by an incident in his boyhood days. Jerry, now a Captain in the U.S. Department of Justice, is given an assignment to capture some border oil smugglers. Through his friendship with Raoul McGuire, one of the suspects, Jerry is accepted as a member of the gang. Mickey is in love with Raoul's sister, Molly. Gang leader Moran shoots and wounds Raoul, and is himself shot down by Jerry. Mickey flies Molly and her wounded brother to a hospital. Jerry takes off in another plane to guard Mickey's craft from a pursuing airplane, and crashes his plane into the gangster's plane but parachutes to safety.
The California-Yucatan Railroad, being built for the good of Mexico, is under siege by a gang of terrorists hoping to force its sale; no one can prove their connection to profiteer Marsden. Manuel Vega, aged co-owner, calls in the aid of his nephew James, great-grandson of the original Zorro. Alas, James seems more adept at golf than derring-do; but after he arrives, Zorro rides again! Can one black-clad man on horseback defeat a gang supplied with airplanes and machine guns?
A Polynesian sailor is separated from his wife when he's unjustly imprisoned for defending himself against a colonial bully. Members of the community petition the governor for clemency but all pretense of law and order are soon shattered by an incoming tropical storm.
Young Englishman inherits ranch which he wants to sell, but Gene's gonna turn him into a real westerner instead. When new owner Spud arrives from England, Autry convinces him not to sell the ranch but to raise horses for the Army. When both Autry's and Neale's bids are the same, the Colonel calls for a race to decide the winner. But that night Neale has Autry's stable burned.
Drummond's girlfriend is kidnapped by his enemies and he along with his friend Nielsen, an inspector from Scotland Yard, follow the trail and try to rescue her from the kidnappers.
Famous pioneer aviator Dick Merrill was front-page news in the 1930s, so it's understandable that he was summoned to Hollywood to star in his own film. In "Atlantic Flight" he's top-billed as a pilot who undertakes a dangerous mission to transport medicine to an ailing friend. Monogram.
The fourth and last of the George A. Hirliman-produced films starring George O'Brien (preceded by "Daniel Boone", "Park Avenue Logger" and "Hollywood Cowboy") that were distributed by RKO Radio. Hirliman sold O'Brien's contract to RKO, which then produced 18 series westerns starring O'Brien that ended when O'Brien went into the Navy at the outbreak of WW II. Long-time (past and future) O'Brien director David Howard served as Hirliman's Associate Producer on this film. "Windjammer" finds O'Brien as a subpoena server ordered to serve a subpoena on Brandon Evans (The Commondore) for a senate inquiry or lose his job. Posing as a playboy, he boards the Commodore's yacht during a yacht race, and the yacht is wrecked by a gun-running windjammer commanded by Captain Morgan (William Hall.) All hands are picked up by the windjammer, including the Commodore's daughter (played by Constance Worth) and put to work as galley slaves.
Tex is up against a group of hooded outlaws. When he shoots one, he uses the hood to infiltrate the gang. Almost caught by them, he escapes only to be arrested by the Sheriff who thinks he's one of the gang.
Tom "Killer" Dane kills Jeff's friend, who then pursues him. Jeff and Dane are look-alike half brothers, which allows Dane to make a raid dressed like Jeff. Jeff is arrested, but before Dane's henchman can organize a lynch mob, Fuzzy breaks him out and Jeff heads after Dane again.
Cowboy Larry O'Day and his sidekick Lucky Smith happen upon a distraught Barbara Hartwell, who is about to be arrested for the murder of her uncle. With Barbara behind bars, Larry is determined to find the real killer and soon finds himself in the middle of a mystery involving crazed German entomologists and a smuggling ring bringing Chinese "picture girls" across the Mexican border for sale to wealthy Chinese bachelors.
Ex-Army officer Jameson takes a job a prison guard at San Quentin. Joe, the brother of his new girlfriend May, is sentenced to the prison for robbery. When Jameson tries to separate lawbreakers from hardened criminals, badguy Hansen tries to stir up trouble by telling Joe about Jameson's interest in his sister.
A crooked real estate manipulator sells worthless land on mortgage to flood refugees, then tries to profit by reselling the land to the state, committing murder in the process, as the Three Mesquiteers work to bring him and his gang to justice.
Millioniare Curran, thinking his son too intellectual, sends him west to learn logging at one of his lumber camps. Unknown to his father, Grant Curan is a professional wrestler and easily able to handle the thugs that attack him at the lumber camp. This enables him to stay on the job and he soon undercovers how his father is being cheated by the local boss.
A federal agent and a female reporter team up to catch a criminal gang that has kidnapped a scientist in order to get his formula for a new type of poison gas.
Dick Tracy's foe for this serial is the crime boss and Masked Mystery Villain The Spider/The Lame One and his Spider Ring. In the process of various crimes, including using his Flying wing and sound weapon to destroy the Bay Bridge in San Francisco and stealing an experimental "Speed Plane", the Spider captures Dick Tracy's brother, Gordon. The Spider's minion, Dr. Moloch, performs a brain operation on Gordon Tracy to turn him evil, making him secretly part of the Spider Ring and so turning brother against brother.