Helen, overhearing Tony and his accomplices plotting to derail the pay train and steal its money, is thrown into a cattle car; grabbing a revolver which one of the men has dropped, she shoots the wire controlling the semaphore arm, which then swings up and flashes the danger flag, thus averting disaster in the nick of time.

Helen is captured by two yeggmen who throw her into a refrigerator car; finding a meat hook, she chops her way into the ice chamber and reaches the top of the train in time to avert a collision of two trains.

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.

Confronting Helen at the Lone Point Switch Tower, Denning and his pal imprison the girl in a clothes closet and then steal everything of value. In making their getaway, the crooks accidentally upset a lantern and set the tower afire. Helen, by picking the lock in the door with a hairpin, barely escapes death in the flames.

Fearing lest Cameron's horse beat the pony he has plunged on, Tony Dorgan orders one of his men to bribe the stableman to drug the animal. Saratoga Johnny tries to carry out Tony's order, but receives a beating at the hands of the irate Cameron employee.

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.