Al's father, Professor Rockenrye has discovered a gasoline substitute. He can drop it on a toy train or wind up toy, and the train will start running and the toy will start moving. Al's girl Rose is at his house and opens the door when Al's rival arrives. The big lug is there to whisk her away and marry her. Stupid Al gives the rival a drink of the formula, causing the rival to spit fire. Al then spills all of the remaining formula, ruining the Professor's hope of fame and fortune.
Although a feud between the Harlan and Boone families has been raging for years, Mollie Powell, the Harlan's stepdaughter, is secretly in love with Clay Boone. When a young member of the Boone clan is killed during one of the battles, Clay vows that he will never touch a gun again. Branded a coward by the other mountaineers, Clay keeps his oath until Buck Gomery, one of the moonshiners, attacks Julia Weston, the daughter of another moonshiner.
In the Blue Ridge Mountains Postmaster's daughter Sally Haston loves Steve Carey, but wants him to enlist and fight the Germans during the Great War. Steve is unhappy at the training camp Steve argues with his roughneck tentmate Billy Murphy. When Steve deserts to visit Sally she takes him back to the camp, where Captain Roderick Brooke sympathetically explains the purpose of the war. Later, moonshiner James Grogan holes up with a gun to escape the draft and holds Sally prisoner. Her father organizes a posse, but Steve, home on leave, rescues her and announces that he is leaving for Europe to fight for democracy.
Frank Draper, a patriotic young American, has invented the most wonderful explosive in the world which he intends giving to the United States. In defending a pure girl from the machinations of an enemy, he is involved in a serious crime which sends him, an innocent man, to prison. Angered at this interruption to their plans and desirous of obtaining the explosive for a foreign government, international spies connive successfully at Draper's escape. They then hold him a prisoner and the young patriot is given the choice of sacrificing his own life or that of his country. He chooses the preservation of the latter, and his sands of life have almost run out, when trapped and bound, he is rescued at the eleventh hour.
Circus dancer Babette learns from Zaidee, her fortune-teller mother, that her father is the respected businessman Ezra Butterworth, who had deserted Zaidee years before and then remarried. After Zaidee dies, Babette goes to live with Ezra, but fearful that his second wife will learn of his less-than-upright past, he takes her in as his ward and forbids her to mention their real relationship.
A young man gives life to a statue with disastrous results. Early adaptation of Frankenstein with the names changed.
Adventures of Kitty Cobb was adapted from a series of newspaper cartoons drawn by James Montgomery Flagg (of "Uncle Sam Wants YOU!" fame) for the New York World. Kitty Cobb is a Long Island lass who heads to New York City in hopes of landing a handsome inventor for her husband.