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.

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.

"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.

Detective Strong is warned that an attempt will be made to free the crooks he is taking to the penitentiary. In spite of his vigilance, the prisoners escape when confederates start a gunfight on the train. Strong and his men scour the countryside for the fugitives.

Billy Warren, timekeeper on the construction job, arouses the enmity of Brent and Easton when he resents their bullying of the other men. Pay day finds the men celebrating in riotous fashion, and Brent in a crazed moment breaks into the station and attacks Helen. Her cries bring Warren, who trounces the bully.

Bull, Reno and Red make a getaway after holding up the Limited. Helen later sees the men and summons the detectives. The convicts escape from the trap and board a passing freight. Helen also succeeds in getting aboard. The train crew discovers the fugitives. Reno, in charge of the valise containing the loot, throws it into the boxcar ahead.

A warm friendship springs up between Quirkly and Helen, when the fireman saves the girl's life. In his desire to be near Helen, Quirkly obtains a room in the house where the girl telegrapher boards. Badger, a crook, stopping in the same house, learns that Quirkly is in the habit of carrying his savings in a bag suspended from his neck. Entering the room with a confederate, Badger chloroforms the fireman and steals the money. Helen hears the noise of the struggle, but comes too late to apprehend the crooks.

Wharton, trailing Red Leary and his gang, learns that the men intend to wreck the Limited. Curley, a fireman, is implicated. The crooks become aware of Wharton's presence and attack him. Helen comes to the detective's rescue with a revolver and captures one of the men.

Borden, who nurses a secret grievance against Helen, awaits an opportunity for revenge. The girl telegrapher receives a message which informs her that the freight of which Easton is conductor, is to wait at Workman until the Fast Mail passes.

Spang, a tramp telegrapher, is knocked down by a freight car while walking up the siding near Lone Point. Helen witnesses the accident and by quick work saves him from being run over. The girl is later transferred to the shop's office and, due to her influence.