The bandit leader is lying wounded in his cabin on the mountain when his confederates bring in a girl whom they have kidnapped while she was on her way to join her father after a trip east.

Broncho's former wife writes a note to him shortly before her death, asking him to forgive her, also the other man. Broncho is heartbroken at hearing of her death, and his memory takes him back to the days when they were happily married. Then this scoundrel came into her life and finally succeeded in parting them.

While on the round-up, Broncho's rival one night steals his sweetheart's picture from his watch. He then returns to the girl with a note saying that Broncho has fallen in love with another girl and is returning her photograph. He signs Broncho's name. Believing Broncho's love dead, she marries the forger some time later.

Slim and Mustang are rivals for the affections of Sophie, the cook at the O.K. Hotel.

Broncho Billy, a prospector, makes a rich strike, but while he is examining the rock he is being watched by three claim jumpers. The minute he leaves the spot the jumpers gather up some samples of the ore, and after replacing Broncho's sign with one of their own, start for the claim agent's office.

A desperate bandit has escaped and finding no one about Broncho's cabin, takes refuge in the attic.

Broncho Billy and his pal are in love with the same girl. They argue one night as to which one she really loves. Broncho suggests that they go to her home and settle the matter. They arrive just in time to see the girl marrying a gambler who is known to be a low-down good-for-nothing by both Broncho and his pal.

Slippery Slim and his wife, Sophie, drive to town. While Sophie does her shopping Slim sneaks over to the saloon to get a few drinks. Here he meets Mustang, so the two drink together. Slim has promised his wife that he will not take a drink as long as he wears a certain ring on his finger, so takes off the ring before each drink.

Colonel Emmett's daughter is captured by an outlaw who blindfolds her just before taking her to his hut, so, in case she escaped, she would be unable to lead anybody to his rendezvous. She is told by one of his accomplices that he intends forcing her into marriage, so she feigns illness. While the outlaw goes for a doctor, she writes a note saying that she is not ill, and is being held for ransom. The outlaw arrives with Broncho Billy, the doctor, whom he has also blindfolded. The girl slips him the note and he pretends to be attending her. Before being blindfolded again for the return journey he fills his pocket with white pills, which he drops at intervals, marking the trail.

The entire town is terrorized. Broncho Billy has again been drinking and is shooting at everything in sight. After "shooting up" a saloon and grocery store Broncho goes to his cabin where he falls asleep. The sheriff and his men arrive, and after a fierce struggle overpower him. The man stationed outside suddenly rushes in and informs them that Broncho's mother has arrived to pay him a visit. The news quickly sobers Broncho, and the sheriff seeing his distress, pins his star on him, and himself dons the handcuffs. When his mother enters she thinks Broncho is the sheriff, and takes pity on the prisoner.

Broncho Billy, the town good-for-nothing, makes his headquarters at the saloon, where he makes a few cents each day by sweeping out the place. One morning the hotel proprietor, the general store keeper and the chairman of the town board, upon going to their places of business, find that they have been robbed.

Broncho Billy comes between a Mexican thug and the young woman he is disturbing. The Mexican plots revenge for the insult and captures Billy, who has rescued a lost old man. The young woman discovers Billy being held prisoner and rides for help. The townsmen gallop toward Billy's rescue.

Broncho Billy and the coward are both in love with the school teacher at Snakeville. Broncho is accepted, and the coward, mad with jealousy, induces the unsuspecting rival to carry through a mock hold-up. When Broncho Billy appears as a highwayman, the school teacher shoots at him. The coward has left the crowd and fires at Broncho.

Attendance rises at the Snakeville Hotel Restaurant when Sophie is hired as a waitress.

Old Carl Stockdale is an habitual drunkard and the cause of much unhappiness to his daughter, Marguerite. Broncho Billy meets Stockdale's charming daughter and becomes very much interested in her, and realizes the sad state of affairs in the home on account of the father's failing.

Herbert Corrington, a would-be gambler and agent for an express company, not satisfied with the necessities of life, tries his luck at roulette, appropriating the express company's money. Robert, the son, is fast traveling in the footsteps of his father. The Sheriff in the next county is sent for a large package of money in Corrington's possession to be delivered to the Blue Ledge Mine for the payroll. Corrington gambles a thousand dollars of this money and loses. Broncho Billy, a professional gambler, loans Corrington the money necessary to replace the funds he had maliciously taken. Corrington gives the gambler a note payable in thirty days or his home as collateral in case of default.

In order to save his friend's life, Broncho Billy holds up the stage and takes money enough to pay the doctor. Jim Hart recovers and accidentally learns what Broncho has done for him, as he is about to pay back the amount stolen.

Dr. Sharp and his wife, Gretchen, live happily together in a little western town until the advent of the doctor's brother, Fred, who comes from the east to spend his vacation near his brother. He meets the doctor's wife and immediately falls in love, but visits her only when he knows his brother is away. The doctor learning of Fred's visits, shoots him. He repents, however, when he sees his brother's serious condition and does all he can to restore him.

Through a kindly act Broncho Billy earns the deep gratitute of Marion Rivers, who presents him with a Bible. Not long afterwards, she comes upon him as he is about to hold up the stage, but at sight of the girl he is overwhelmed with shame and taking out the little Bible promises her that he will live honorably. In the meantime, Marion's father holds up the stage at another point, and one of the stagecoach drivers, mounting a bareback pony, rides off for the sheriff. Broncho Billy sees Rivers get away with the money, and when he hears the sheriff and his men coming, for Marion's sake he goes to warn her father. To shield him, he takes the bags of money and rides away with the men after him. He leaves the money at the mile post with a note saying: "SAheriff, I'm through with Bear County, this stick-up was my last", and rides across the border. (Moving Picture World Synopsis)