A U.S. soldier goes after bandits in California, although it is still owned by Mexico.

A group of air mail pilots risk their lives to deliver important mail through bad weather conditions.

"Happy" MacDonald and his unfaithful wife own a Prohibition era night club. On this eventful night, he is threatened by bootleggers, and the club's star dancer falls in love with a young socialite who drinks to forget a personal tragedy, among other incidents.

When a mayoral candidate finds out that he will be exposed in a newspaper article, he goes to the political boss who put him up for the job and says he wants to quit. Enraged, the boss pulls a gun on him, and the man promptly dies of a heart attack. The boss stages a fake car "accident" to make that look like his cause of death, but a suspicious newspaper reporter decides to look more deeply into the story.

Billy Haven, a young rancher, accidentally discovers that clay found on his ranch will, when mixed with water, become the most beautifying mud-pack cosmetic that any young girl, or old woman, could desire. Then the land-grabbers, clay-speculators, cosmetic companies and a show girl or two show up to get a piece of the action.

A US marshal goes undercover to bust up a bunch of rustlers.

A crusader tries to keep a dope dealer from corrupting children.

A man is framed for the murder of his uncle, a bank president, and sentenced to hang. His sister and a mail clerk who's helping her discover information that may clear him, but they have to get to the governor in time to present their new evidence and get a stay of execution.

A lady reporter and two college students search for the "Gold Special," a train that disappeared without a trace.

A little orphan girl walks into the life of a hand-to-mouth carnival huckster. He teaches her the ropes and raises her as his own.

An eccentric, fluttery bachelor is dismayed to discover an undressed woman in his apartment.

Penniless inventor Jack Saunders, in search of a girl he loves, assumes the guilt for a murder in return for $20,000 and promise of a pardon at the end of a year. When the agreement is not fulfilled, he breaks jail and appears, demanding justice, before the governor, whose daughter, Margaret, committed the crime in self-defense. Saunders prevents her forced marriage to politician Burke, and Margaret, recognizing her lost love, clears his name and is herself exonerated.

Cowboy Ace Cooper, to avoid arrest, becomes a fireman, falls in love with the chief's daughter, Sally Drennan, and wins her in spite of the efforts of a crooked politician to separate them.

International con artist Martha Hicks a.k.a. Countess von Claudwig is released from another stay in prison and decides to treat her rheumatism with a stay at her estranged husband's hotel at a Wisconsin spa. There undercover, she checks in on the two daughters she abandoned as infants.

Young Stella Mowbray, from a wealthy family, goes to work in a slum hospital and campaigns for improved conditions for the poor.

A cowboy called The Thunderbolt Kid comes to the aid of a town that is being threatened by outlaws who don't want a railroad to go through the town.

Van Bibber is spending his vacation with Colonel Paddock's party at the ranch owned by Paddock's friend. The peace and quiet is often disturbed by a desperado known as The Mad Racer, who has been hired to keep Van out of the Buggy Race.

Lt. Milt Mulford graduates from West Point and is assigned to a cavalry outpost in the West, near an Apache reservation. One day the Apaches, tired of being cheated by a crooked Indian agent, break the reservation and Mulford is sent after them with a patrol. Unfortunately, he cracks under the pressure of his first firefight, and is thrown out of the army. His fiancé, disgusted, ends their engagement. He sets out to prove that he is not a coward and regain his fiancé's love.

The daughter of a count and the son of a shoemaker, both Hungarian, fall in love in America. As they're about to marry, the young woman is called back to Europe. When her betrothed goes after her, difficulties ensue.

Visiting his vast properties incognito, Hugh Nichols (Tom Mix) discovers that his land agent (Cyril Chadwick) is forcing Peggy Swain (Clara Bow) and her dad (Frank Beal) off their neighboring ranch. When decent-minded Nichols demands that the agent cease harassing the farmers, the nasty villain blows up the nearby dam, flooding the valley.