Brandt, a defaulting cashier, hiding in Lone Point in his effort to throw detectives off his track, cuts the wires of Helen's telephone to prevent her from calling for help, binds and gags her, and boards the outgoing Limited. Freed by Detective Sheridan, the two of them get into a gasoline speeder...
Upon learning that a gang of smugglers are using freight cars to bring Chinamen across the border, the railroad officials order all employees to keep a strict watch for traffic of this nature.
Tom Jackson, a young man of good family, is elected sheriff. He is in love with Nell Turner, whose brother, Jack, is a reckless young fellow and belongs to a gang of bank robbers. Tom is popular and loves Nell dearly, while she returns his affections, and they have announced their engagement. Nell...
When Dick, an aeronaut is wrongly accused of shooting Dan, a trouble-making, quarrelsome cowboy, Helen aids his escape on the outgoing Black Diamond Express.
Jessie Baird, the postmaster's daughter, handles the registered mail. Hankey, a gambler, seeing the men sending money away from the mining town, decides to rob the stagecoach of the mail bag. He orders Pete, a pal, to board the stage and throw the mail bag off at Deer Creek.
A pair of crooks steal a valuable package, hold up the crew of a freight engine, and compel the engineer to aid their escape. Learning this, Helen climbs into the cab of a locomotive standing on a siding and takes up the chase.
Helen spotting two jewel robbers sever the telegraph wires and hop onto a passing freight, jumps into a racing auto and takes off in pursuit. In the meantime, the freight's brakes fail, and the train breaks in two. Helen, on a road parallel to the tracks, leaps onto a flat car, runs forward,...
Miss Satterly, the new schoolteacher, is loved by all the cowboys of the "Flying U" ranch. Weary is shy and only makes the acquaintance of the pretty schoolteacher by main force on the part of his cowboy companions.
A crooked mine owner attempts to hijack his rival's shipment of ore, but Helen foils his plot by jumping onto the engine and pulling the throttle wide open, eventually exposing the unscrupulous villain.
Tom Bates is living in the city enjoying a liberal fortune left him by an uncle recently deceased. When Tom received his fortune he was working on a ranch as a cowboy and was a top-notcher, too. In the city he has met May, a charming and beautiful girl, who is engaged to marry him. Tom rescues a...
King attempts to tighten the brake of a freight car standing near the summit of a steep grade at Lone Point. Suddenly, the brake chain snaps and the train commences to roll down hill. Helen sees King's peril, rides to a point just before a curve, crawls hand over hand across a rope which she has...
Hazel Clark, belle of the Diamond "S" Ranch, is fascinated by Cactus Jake, a bold, dashing, reckless cowboy. Good-natured Bill, another cowpuncher, is really in love with Hazel.
As the freight train on which are riding Mike and Leary, two knights of the road, passes the station at Hynes, the tramps steal the mail bag which had been placed on the crane by the postmaster of that place. They jump from the train in a secluded spot and start to rifle the bag.
Helen's father is the President of a railroad company competing for a very lucrative government contract. A rival company organizes sabotage and Helen is the only one who can save the day.
