On a volcanic island near the Kingdom of Hetvia rules Count Dakkar, a benevolent leader and scientist who has eliminated class distinction among the island's inhabitants. Dakkar, his sister Sonia and her fiance, engineer Nicolai Roget have designed a submarine which Roget pilots on its initial voyage just before the island is overrun by Baron Falon, despotic ruler of Hetvia. Falon sets out after Roget in a second submarine and the two craft, diving to the ocean's floor, discover a strange land populated by dragons, giant squid and an eerie undiscovered humanoid race.
Joan Fry, a society woman, falls in love with Chuck Riley, the white-leader of a powerful gang in Chinatown, and he quickly drags her down into the depths with him. But seeing her so much in love with him causes him to realize he isl in love with her, and he determines to lift her up again. "Boston" Charley, the rival gang-leader, has other plans.
An inventor adds new innovations to an air company's planes, prompting the owners of a rival company to set out to steal them. The stakes are sky-high as an airman and an aviatrix find themselves in constant peril, both on earth and above the clouds.
Two young men, one rich, one middle class, both in love with the same woman, become US Air Corps fighter pilots and, eventually, heroic flying aces during World War I. Devoted best friends, their mutual love of the girl eventually threatens their bond. Meanwhile, a hometown girl who's the lovestruck lifelong next door neighbor of one of them pines away.
During America’s Civil War, Union spies steal engineer Johnny Gray's beloved locomotive, 'The General'—with Johnnie's lady love aboard an attached boxcar—and he single-handedly must do all in his power to both get The General back and to rescue Annabelle.
U.S. Marine Sergeant O'Hara has his hands full training raw recruits, one of whom, 'Skeets' Burns, is a particular thorn in his side. If Burns's lackadaisical approach to the military were not bad enough, he also makes advances on nurse Nora Dale, whom Sergeant O'Hara secretly loves. Nora is oblivious to O'Hara's feelings and is attracted to the handsome 'Skeet.' But an indiscretion turns her against him, and it takes an expedition to China and a battle with a warlord's bandit brigade to sort things out among the nurse and her two Marines.
Rafael Sabatini's story of the swashbuckling era and of Bardeleys, the handsome courtier who could win any woman he set his mind to...and was not above boasting about it to all who would listen.
As a reporter, Dick Farrington is sent to cover an assignment that promises a big story. A lawyer has advertised for an ex-Marine who is a boxer. He makes good beating up a gang of roughnecks picked for the purpose, and secures the mysterious job that is filled with danger. It is to guard the heiress Lady Chatfield, but the hero is told nothing as to the secret in back of it all. Dick poses as Lord Grantmore, wears a monocle, and otherwise acts like a titled Englishman. They proceed to the mining town of Goldbrook, where the heiress is to occupy a mysterious mansion on the occupancy of which hinges a great fortune. The engineer of the mines is deeply interested in thwarting the plans of Lady Chatfield, and with his gang of roughneck miners makes things lively for the pugilist star in a series of fights that are hair raisers.
A nobleman vows to avenge the death of his father by the hands of pirates. To this end, he infiltrates the pirate band; Acting in character, he single-handedly captures a merchant vessel, but things are complicated when he finds that there is a beautiful young woman of royal blood aboard.
Avery DuPoys is a wealthy businessman, organising a race. He meets one of the competitors of the race, who is in love with DuPoys's daughter. Another competitor crashes into the action, who is also in love with DuPoys's daughter. DuPoys suggests that whoever wins the race will have the opportunity to visit his daughter every Wednesday night. An action-packed race commences, with one competitor doing more than usual to win the race.
The wealthy and impulsive Rollo Treadway decides to propose to his beautiful socialite neighbor, Betsy O'Brien. Although Betsy turns Rollo down, he still opts to go on the cruise that he intended as their honeymoon. When circumstances find both Rollo and Betsy on the wrong ship, they end up having adventures on the high seas.
A film projectionist longs to be a detective, and puts his meager skills to work when he is framed by a rival for stealing his girlfriend's father's pocketwatch.
A harried propman backstage at a theater must put up with malfunctioning wind machines, roosters that spit nitroglycerine, and a gang planning to rob the theater's payroll.
In 17th century France, young D'Artagnan wants to join the King's Musketeers, but instead befriends three legendary musketeers—Athos, Porthos, and Aramis—and together, they become embroiled in the political intrigue surrounding King Louis XIII and his adversaries, particularly the powerful Cardinal Richelieu.
The true story of Lord Francis Hope who inherits the Hope Diamond and marries showgirl May Yohe. Lord Francis Hope gambles away the family fortune and May Yohe leaves him. Another suspected curse of owning the Hope Diamond.
Don Diego Vega pretends to be an indolent fop as a cover for his true identity, the masked avenger Zorro. Preserved by the Academy Film Archive in 2012.
Daniel Boone Brown is a pleasure-seeking playboy carousing around New York City without a care in the world -- that is, until he becomes the unwitting subject of a series of experiments at the hands of a sadistic psychiatrist. Through various means of control, the mad scientist drives Daniel to think he's losing his mind, but ultimately introduces him to the lovely Lucette.