Tom Mix trades horses for cars. Tom Higgins meets Patricia O'Malley whose father is a car manufacturer. O'Malley is hoping to land a contract with a Japanese firm, if only his car wins the Los Angeles-Phoenix auto race. Hap enters, but O'Malley's driver, Luther McCabe causes the race to be lost. Higgins discovers that McCabe is in league with O'Malley's competition, so for the next race, in Fresno, he takes over when McCabe drops out and wins the race.

A vivacious, carefree young girl is disgusted by the thought of growing old. In her despondency she adopts the motto "Who cares?" and does her best to live up to it, even after she marries the handsome and dashing Martin Grey.

Bud Walton, the village blacksmith, is big and strong physically, but he has not the courage to put his strength to good purpose. All the boys take a slap at him whenever they choose, and Bud makes no attempt to retaliate. This causes his sweetheart, June, to despise him.

Sykes, an American engaged to a poor girl, goes to the Philippines as a teacher, and the girl stays behind to await their marriage. Sykes, after some time has passed, has succumbed to the tropic influences, and is living with a native girl, when one day he hears from the girl back home that she is coming to join him and that she will arrive at dawn next day. An aunt has died and left her a lot of money. Caring more for this coin that the girl, Sykes tries to get rid of the native girl, but she makes a row, and he in fear of losing his girl and her cash, poisons the native girl, who dies. He is about to get rid of the body when a young lieutenant of the U.S. Army shows up with his sergeant, inquiring the way to the trail of Indians, and becomes suspicious of Sykes' uneasiness and finds the dead girl.

Slapstick shenanigans at an overcrowded boarding house.

Richard Gilmore, a staid Wall Street broker, is jilted by Dot Parkhurst when he fails to provide her with the romance and adventure that she wants out of life. Richard then goes west in an effort to prove himself a man and becomes a highwayman known as "The Meddler," robbing people only to return to them all that he stole, keeping only a valueless memento for himself.

In New York's Washington Square, a poet named Karl (Jack Livingston) is the king of art and artifice. But World War I breaks out and the spotlight on him begins to fade, so he dramatically declares his intention to enlist in the British Army. His friend Marcarson announces that he will go with him, keeping Karl to a promise which he hadn't planned to see through.

An inventor and his assistant build a robot that looks like their janitor, and everyone tries to profit off the invention.

Chester Conklin, as the fire chief, clashes with Slim Summerville, police chief.

After arranging for wifey to land a job as the café's cashier, Mann warns her not to reveal that they're married, lest proprietor Slim Summerville fire them both. The trouble begins when both Summerville and headwaiter Bobby Dunn fall for Pierce, driving Mann into paroxysms of insane jealousy.