The ranger Jack Dunne and his dog Dynamite are called in to investigate a series of cattle rustlings.
Jessie, a young woman at the Bar Z Ranch, who is engaged to Jack Howard. On the day of the cowboys' "hoedown," Jack presents her with an engagement ring and they plan to marry after the roundup. A misunderstanding arises when Jack dances with one of Jessie's friends, causing her to doubt his fidelity. Meanwhile, other ranch hands, inspired by the leap year, also seek to marry, leading to a chaotic series of races and a busy Justice of the Peace.
Quiet and fairminded Jack Bliss traces his missing father to Hell's Hole, where he meets Helen Turner and Jack Hall, the leader of an outlaw gang rendezvousing at Hell's Hole. Hall kills Helen's father but fails in his attempts to get rid of Bliss and Helen, and Bliss, singlehanded, takes on the gang while the neighboring ranchers, settlers, and herders unite to clean out the outlaws.
Buddy Walters is a cowboy falsely accused of a crime actually committed by nasty Al Richmond.
Lt. Tom Brennan is cashiered from the 7th Cavalry on two charges, both unjust: that of deserting his men in the face of a cruel Indian attack, and of entertaining a married woman in his quarters after hours. Tom wanders into the desert and is picked up half-dead by Yuba Bill, a prospector with whom he goes into partnership. The Indians go on the warpath, and Tom rides to the fort and warns the colonel. Tom's innocence is established by the confession of an enlisted man, and Tom is reinstated to the service with full honors, renewing his engagement with Margaret Cranston.
Returning to his hometown, Bill Duncan conceals his identity due to a longstanding feud with the Flynne family. He is soon found out and arrested for the murder of rancher Red Flynne. Flynne's estate is bequeathed jointly to his foreman Rolfe McPherson and his daughter Helen. Helen believes her father wished her to marry Rolfe, unaware that he plotted the murder. Clued in by the housekeeper of Rolfe's guilt, Bill escapes and pursues Rolfe who has kidnapped Helen and is headed for the Mexican border. Bill comes to the rescue, brings the villain to justice, and wins Helen.
In a saloon in a Mexican border town, a group of cowboys, including a Mexican named Pedro, play poker. One man is discovered cheating, and is shot dead by Pedro, who is wounded as he attempts to escape. Pedro is followed home by the local sheriff, who proves the next victim of Pedro's quick temper and pistol. Pedro's wife, Juanita, is thrown into jail, but he manages to break her out. They head for the border, unaware that a posse is waiting for them.
A thousand dollar prize is offered to the winner of a dog race, and Jan Ducet would have used the money to doctor up his little child's bad leg if he had won. But he lost; and the winner, Otto Franke, runs away with Jan's wife. A priest takes care of the little girl while Jan gives chase and finds the regretful woman in the snow. A fight follows and Jan hurls Otto from a high cliff and returns home with his wife.
Ed King travels east to sell Pop Blake's cattle. While there Buck, another of Blake's hands, plans to rob Ed by using a local girl Ming Toy as a decoy. Ming Toy gets the money and returning empty handed, and before the other hands arrive, Ed is surprised to find Ming Toy return with the men.
Lovely Jessie Stevens falls in love with Jim Sullivan, much to the dismay of Red Collins (L.J. O'Connor), who wants the girl for himself. Red blackmails Jessie's father, Job, into ordering his daughter to forget all about Jim, who takes to the bottle instead.
Jane Carston was to return tomorrow from Ohio, where she had been for the past three years in school, and the ranch was all agog with expectancy and cleanliness. Bob Evans, head cowboy, was most eager and most anxious of the lot. Tomorrow finally became today and Pa had gone to the station in his best linen duster and the buckboard to meet Jane. Finally, in a cloud of dust. Bob discerns them on the brow of the hill. Arriving at the house Jane greets mother with a rousing smack.
Getting his laundry from the Chinaman, "Honest Jim" spruces himself up in preparation to make a call on "Bess," with whom he is in love. Calling at Circle Ranch, her home, he finds Jack Rance making overtures to her father for "Bess' " hand. She greets Jim pleasantly, but she dislikes Jack; there is something about him which is distasteful to her and when her father intercedes for him she leaves the porch and hurries into the house. She does not have to wait very long to see "Jim" and "Jack" in their true colors and make a choice between the two. The clergyman of the ranch settlement and the .surrounding country comes to the post office where a crowd of cowboys are gathered to receive their mail.
When architect Lee Ellis is discharged from his position in a large firm and has difficulty in finding a new job his devoted wife Mary invests in a business for him with a small legacy she had received. Soon they become prosperous allowing son Jerry to get his longed-for car, and daughter Betty to attend private school. Jerry goes a little jazz mad and rebels against his mother's influence. He decides to elope with gold-digging flapper Edna Larkin. Mary, learning of the plan, chases and saves Jerry when his train is wrecked though he sustains a broken leg. Seeing he has been foolish he straightens out and the family is reunited.
Three part chronicle of how the rumor of war triggers greed in some men and the comeuppance they suffer because of hubris.
After being captured by T-Man Jack Blaisdell and sentenced to 20 years of hard labor on a counterfeiting rap, Tiger McGuire is sprung from jail by his old gang. Vowing to get even with Jack, Tiger kidnaps the young man's fiancée, Helen (Holmes), bringing the girl to his hideout, a fancy yacht owned by Lucy Carlisle.
A newly-married woman disguises herself as a doughboy in order to stay close to her husband.
The Severed Hand, a society of Italian criminals and blackmailers, swear to kill Danny Dawson, who has turned traitor.
A doctor poisons his dying friend and is framed by his valet for poisoning his wife's first husband.
A society girl goes to live in the woods with her evil uncle and his wicked housekeeper.
A faithless K.C.'s wife elopes with his opponent in a slum murder trial.