An action movie serial that premiered in 1924
Helen receives a cypher message about a jewel robbery and trails the yeggmen to their lair. Discovered, Helen is bound and gagged and thrown into a box car, but gets loose, and leaps to the ground from the speeding train. The crooks are captured, Helen's pluck wins Billy's heart, but, as usual, she refuses, with an eye on next week's adventure.
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.
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 standing on the sidetrack and pursue the Limited.
Attempting to prevent an armed robbery in the paymaster's office, Helen is bound and gagged, and the thieves escape on a hand car. With her feet still bound by wire, Helen endeavors to pursue on foot, but stumbles and falls across the rails of the track of an oncoming train.
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.
Under the influence of liquor, Griffin foolishly displays a roll of bills. Wheeler and Walter, yeggmen, see the money and trail the traveler to the station. The men learn the berth he is to occupy. Hastening to a bridge under which the train must pass, they drop to the roof of one of the cars when it appears. Helen, transferred to Burnett, is a passenger on the train. By mistake, Griffin gets into her berth. Because of the man's condition, Helen consents to allow him to keep her berth. The girl takes the one which Griffin's ticket calls for. An hour later, Helen is awakened by a peculiar noise outside the car. Hastily dressing, she sees the window being raised. Wheeler's face appears at the window. The man foils Helen's attempt to shoot him, disarms her and then climbs back to the roof of the car.
The bad blood existing between Reardon and Haley results in a fight in which Reardon is worsted. Reardon, vowing vengeance, climbs back aboard his engine while Haley resumes his station. The fight is witnessed by a number of railroad men. In climbing back to the water tank, Haley stumbles and falls between the cars.
Sharky, a rival road agent, plots to spoil a trial run to be made on Helen's road that will win a mail contract. He opens a waste valve on the tank of the engine, and, when nearing Lone Point, the water tank runs dry. Helen comes to the rescue by mounting the new gasoline speeder and starting off with the mail for the end of the run.
Jim, determined to ruin a box car brake test, hides inside, removes the flooring, and ruins the brake apparatus. As a result, the box car runs wild, trapping him inside. Before Helen can sidetrack the runaway, it shoots off the track at Elbow curve, overturning as it topples down the embankment. Helen smashes a hole through the side, braves the flames, crawls into the car, rescues Jim and drags him to safety. But her heroism is too late; Jim dies in her arms.
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, informs the train crew what has happened, and captures the crooks.
Deering and his gang rifle the station safe and gain possession of some valuable gems; Helen seizes the package and throws it into the river. In order to recover the package, a human chain is formed by the railroad men, which Helen climbs down and attempts to catch the package with her feet. Meanwhile, Deering and his men have boarded a launch, and succeed in grabbing both Helen and the package. Morton takes over a freight train, captures the crooks, and rescues Helen and the gems.
While Hastings, the engineer of Freight No. 3205 is at lunch- in the Lone Point station, Bobby Heywood, the son of an engineer, climbs into the cab of the engine. Having frequently observed his father start his locomotive, Bobby jerks the throttle open. Helen sees the freight speeding down the track. Remembering that Bobby has been playing about the station, the girl surmises what has occurred.
Brent, the night operator has been knocked unconscious by a piece of lumber projecting from a passing freight, and has been rendered temporarily insane. Meantime, a furious storm arises, a track walker discovers a washout and wires a warning to Helen, who sets the danger signal for the Limited which is due in ten minutes.
Helen, the operator at Hobart, warns her friend Anna, the operator at Montville, that Tim Hudson, a notorious swindler, is headed for Montville. Anna later brings about Hudson's arrest when the man, posing as a minister, attempts to swindle the people of the town.
Lockwood, the old, one-armed flagman at Lone Point, tells Helen and a young soldier of his experiences during the Civil War, and how he lost his arm. The Civil War flashback sequences consist of archive footage from Kalem's Railroad Raiders of '62 (1911), rather than newly filmed footage.
After accidentally killing an opponent in the ring, a professional wrestler takes a job at a group home for youth offenders. But when a psychopath wearing a wrestling mask begins butchering the teenage residents, their rehabilitation will become a no-holds-barred battle for survival. Originally filmed in 1994 but completed in 2019.
Red Stanley's band has successfully robbed the express car and the members are making good their escape when they come upon Helen and her girl chum riding in the woods. The girls are set upon but they succeed by desperate riding in making their escape temporarily and, when danger seems near again, are saved by the approaching railroad detectives searching for the Stanley band. A running fight results in the capture of one of the band, but Stanley and his chief aide escape. Under cover of darkness, as Helen is working alone in the desolate station, the two enter and bind and gag her.
"Red" Byrd and his aides succeed in learning that a large treasure is being shipped on a certain freight car under special guard. They overpower the relief operator at Helen's station and tamper with the signals so that the treasure train stops, while the crew runs ahead to investigate, leaving Spencer alone to guard the treasure.
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.