The Lost World

Heavyweight boxing champion Jack Dempsey stars in this 15 chapter action serial, of which portions of reels 1, 2, and 4 survive. In the serial he plays the star fullback of his college's football team who gets drawn into an adventure when he stops to rescue a young woman from some thugs on a country road. It includes a gag featuring an exploding football. The rest of the cast includes Lon Chaney, Edgar Kennedy, Bull Montana, Josie Sedgwick and Herschel Mayall.

Margaret has given up her stage career to marry inventor Jerry Benson. Jerry fails to impress oil executive William Graves with his idea, but Margaret has better luck when she catches Graves' attention and she both makes the sale and becomes the object of Graves' obsession. Profits from the invention make the Bensons wealthy; however Graves schemes to steal Margaret from Jerry by swindling them out of their money and getting Broadway floozy Gloria to break up their marriage.

Wrongfully arrested, Tim must escape and find the men who murdered his partner and stole the gold.

John Masters leaves his lumber mining camp when he is summoned East by his dying father, a political boss who wishes to turn over the position he has won. The father dies and leaves his son papers that could convict the rest of his gang of henchmen. John falls in love with Frances, the daughter of Armitage, another politician. Frances is not interested in John, but marries him to save her father from exposure. The gang tries to get the papers away from John, who has taken his wife back to the woods. When John exposes the crooked politicians, including his own father, he wins Frances' respect and love. John staves off the revengeful ward gangsters with a single gun until Frances rounds up the other lumberjacks who come to his rescue.

Alita, a child who has been left in the care of Mr. and Mrs. Putnam in a desolate swamp country, reaches the age when she is to be prepared for the world, and the Putnams send word to Judge Gates, her guardian, to come for her. Her life has been spent in the swamps with a half-witted boy, "Weird Willie," and many animals and birds of that country, as her only playmates. Judge Gates receives the letter at his bachelor apartment, which he shares with a younger friend and companion, Bob Stange. Through the accidental dropping of a marriage license the Judge discovers that Bob is about to become a benedict, despite the fact that they had a compact never to marry, on the theory that all women are deceitful.

The story of a woman on trial for her life for shooting the man who had promised to love her but had deserted her...and of a woman on the jury who refused to condemn her when eleven men had voted guilty...a woman brave enough to defy public opinion, brave enough to lose the loss of the love of her husband by baring her soul to the world in order to save the girl on trial.

John Kavanagh, a Maine lumberman, clashes with Stephen Marthorn, owner of a spruce-logging company, when Marthorn orders his men to make their drive before Kavanagh can get his logs down the river.

Glenn Higgins and Patsy Jones are a song-and-dance team traveling the vaudeville circuit across the United States, and land in a Kentucky tank-town filled with sharpies and wise-guys , wearing spats and carrying canes, who have reasons for wanting a horse named "Hot Heels, not to win the race he is scheduled to run in. This does not bode well for the vaudevillians as Glenn, acting on a hot tip from a hot vamp, has bet the pair's bankroll on "Hot Heels" to win.

Freddie, a rich young idler, meets Julia Harrington, a wealthy social service worker who runs a haven for reformed criminals. By telling her he is a hardened criminal, he is allowed to stay at the mission.

A wealthy man's wife becomes bored with him, so his friend decides to trick her into an elopement into the unforgiving wilderness to make her appreciate her life anew.

The cattle on the Langton Ranch are mysteriously dying and cowhands are disappearing or being shot. Two Langton riders bring a wounded rider they found wounded and hung up in a barbed-wire fence to Sally Langton and report that her father is missing. A lone rider, Jess Ryder, tops a rise and sees a band of men working on some calves in a secluded corral, and he frowns as he sees what Bat Murchinson is doing.

Two Boy Scouts win an around-the-world trip with a crack aviator, and find themselves crash-landed in the South American jungles after the ace forgets to refuel in Ecuador.

A small-town, jazz-mad girl, Peggy Marston (Dorothy Revier), becomes involved with a pair of society thieves, Maurice Dumond (Armand Kalis) and Maxine (Mildred Harris), and finds herself falsely accused of possession of stolen jewels.

Bob Carter, a member of the Foreign Legion, is glad to see his brother, Don, for the first time in ten years but is sorry that Don has joined the Legion. Bob, Don and Bob's buddies, Muggsy and Bilgey, go to a café and there Don falls for Nina, a singer in love with Bob. Bob doesn't know this and thinks she is Garccia's girl, and warns Don to have nothing to do with her. Don disregards the warning and Garcia discovers Nina and Don together and provokes Don into hitting him. Don is arrested and thrown into the company brig. Nina, with the aid of an Arabian sheik, Ul Ahmed, helps Don escape. Bob, Muggsy and Bilgey follow but are captured and taken to Ul Hamid's headquarters. The sheik tortures Don to force Bob to work some captured machine guns for him. Ah Hamid and his tribe attack the fort, but Bob manages to turn the machine guns against his captors, and the fort is saved.

Burton is after Clark's ranch. He gets the banker to refuse to renew Clark's note and then sends his men to rustle his cattle. Hoppy is Clark's new foreman and is on to Burton's scheme. But just as he learns of the rustling and is about to go after the gang, the Sheriff arrives and arrests him for hiding Johnny who has been accused of robbery.

Hoppy clears Lucky on a charge of bank robbery and foils the plot of a crooked lawyer to rustle a herd of pedigree cattle and take over the valley.