Sent by the Army, Andy Thomas poses as a renegade to find out who has been harassing the wagon trains.

Montana and sidekick Pancho hire on at the Lopez rancho to fight Daggett and his outlaw gang. But Lopez's foreman Barnes is one of Daggett's men and he frames Montana for murder.

Kit Cardigan seeks the killer of his father...among other plot threads leading up to the famous historical incident.

Government agent Gordon, working undercover, is investigating a cattleman sheepman war. The Culprit is Horton and when Horton kills Parker he frames Gordon. His identity revealed, the Sheriff lets Gordon escape to go after the real killer.

Apparent carelessness causes Conductor Lawton and his train crew to be laid off for thirty days. A gang of car thieves, pursued by police, jump aboard a freight, and after a stiff combat, succeed in throwing the crew off the speeding train to the ground.

Cheyenne Jones comes to the Blue River Ranch and asks for a job as a cowpuncher. Actually, Jones's real name is Buck McCloud and he's the new owner of the spread, having inherited it when his uncle died a year earlier. He's roaming the range incognito while trying to identify who's behind the cattle rustling that is afflicting his new business.

Escaping after an early morning bank robbery, Gentleman Joe and his pal succeed in boarding a freight train headed toward Lone Point. Fearing rightly that a warning has been sent down the line, they secrete their loot in a box car, and, after noting its number, alight and seek cover until after the pursuit has cooled.

A stagecoach robbery leads to a desperate attempt to round up the bandits.

Hanging from a rope over the track, the detective seems certain to plunge to death when the oncoming train splits the knot of the rope which has been tied to a rail and slung over the bridge girder. Helen's presence of mind and nerve in swinging out over the river on the other end of the rope and thus balancing the detective until the train has passed prevents the terrible catastrophe. Later, when pursuing the culprits, Helen once more takes her life in her hands by throwing a lasso from the hand car on which they are pursuing the freight over the brake beam, and then crawling hand over hand to the top of the car.

Film 104 in the Hazards of Helen series

Helen, the telegraph operator at the Lone Point Station, shields Miguel, a greaser, under suspicion of having stolen some horses, until the real thieves are caught.

A fall from a semaphore weakens Wood's mind and when he later disappears circumstances point to suicide. His ghostly appearances make the post known as the "Haunted Station," and Helen is appointed as a last resort after many others have quit.

Bruce McLeod returns from the goldfields to find that his wife has left home with another man, taking their child. After the death of the mother, the child is adopted by Cherie, a local dancehall girl ostracized by the community. Cullum, a gambler who earlier seduced Mrs. McLeod, drifts into the town, and failing to win Cherie, he swears vengeance. McLeod, seeking the man who wrecked his home, falls in love with Cherie but scorns her when he discovers that she is a dancer. Ultimately, the child identifies Cullum as the gambler who lured Mrs. McLeod from her home. In the ensuing fight, Cullum is shot by a halfbreed, and Bruce is happily united with Cherie.

Chilton, a crooked dealer in antiques, decides on a daring scheme to recoup his finances by defrauding the railroad. A car-load of cheap furniture is shipped with a valuation of $40,000 on it. Blanding, the tool of Chilton and his partner, awaits at Lone Point a telegram giving the number of the car.

Film 111 of the Hazards of Helen film series

Communicating with his pals outside, Daly informs them as to the date upon which he is to be taken from the jail to State's prison. Kling, the head of the gang, arranges to hold up the train carrying Daly and effect the man's rescue.

A boy's father is an unjustly accused fugitive, and the boy's scheming uncle plots to become the youngster's guardian and take over the family fortune.

Two railroad companies compete for a very lucrative contract. Helen's father is the first in command, and her fiance the second in one of the companies. The rival company organizes a sabotage, which is exposed by Helen. Unfortunately for her, she is alone against three men who tie her up to the railroad tracks. She faces imminent death unless she finds a way to free herself from the ropes.

Tony, a half-breed Mexican is kicked from pillar to post, but he grasps a chance for revenge on society when he peers through the station window and sees Helen, the operator at Lone Point, opening the express company bag containing a valuable shipment to a local rancher.

One of two former convicts is the brother of a girl station agent. The second ex-convict tries to blackmail the youth and drag him back to a criminal life, but the sister intervenes.