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.
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.
Stan and Ollie try to deliver the deed to a valuable gold mine to the daughter of a dead prospector. Unfortunately, the daughter's evil guardian is determined to have the gold mine for himself and his saloon-singer wife.
White hunter Captain Fry tries to take Tarzan back to civilization, caged for public display. He arrives in the jungle with Jane's cousins, Eric and Rita, who want Jane's help in claiming a fortune left her.
After a roustabout sailor avoids being shanghaied in 1850s San Francisco, his audacity helps him rise to a position of power in the vice industry of the infamous Barbary Coast.
Captain Alan Gaskell sails the perilous waters between Hong Kong and Singapore with a secret cargo: a fortune in British gold. That's not the only risky cargo he carries; both his fiery mistress and his refined fiancee are aboard!
A World War I British Army patrol is crossing the Mesopotamian desert when their commanding officer, the only one who knows their destination, is killed by the bullet of unseen bandits. The patrol's sergeant keeps them heading north on the assumption that they will hit their brigade. They stop for the night at an oasis and awaken the next morning to find their horses stolen, their sentry dead, the oasis surrounded and survival difficult.
Mary Brooks' father, who has been studying ancient tribes, falls into the hands of "the people of Zar, god of the Emerald Fingers." Tarzan helps Mary locate her father, rescues everyone from the High Priest of Zar, and takes Mary to his cave.
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.
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.
In the waning days of WWI, a U.S. "Mystery Ship," sets sail for the coast of Spain towing a submarine. Their mission is to find and sink a U-boat that has been especially effective in attacking Allied shipping. Posing as a harmless schooner, the mystery ship is in fact fitted with a formidable gun capable of sinking a U-boat. Stopping in the Canary Islands to refuel, the crew interacts with locals involved with Germans, and with Germans themselves, including the sister of the U-Boat commander, who is lurking offshore waiting for the coming battle.
Made during the early days of sound cinema, this tense submarine adventure is an intriguing example of a hybrid silent-talkie. A disgraced English sub commander changes his name to Burke and joins the American Navy. When the U.S. submarine on which he is serving as a torpedo launcher begins to sink, Burke must make the ultimate sacrifice to save as many crew men as possible..