Jim Owens, a sergeant in the Union army, finds the body of a dead Confederate, whose resemblance to himself is so great that he is startled. He makes an examination of the man's clothes and finds a letter addressed to John Calhoun, 7th Regiment, Virginia Volunteers. The letter is from the man's mother, telling him that her world is very narrow now that she has lost her eyesight. Never having known a mother's love, Owens decides to impersonate Calhoun, feeling that the mother will not recognize that he is not her son, now that she is blind.

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.

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.

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.

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.

John Douglas, a high-society playboy, is a cynic concerning the women of his social set, and has a pictured ideal of the girl of his dreams. Wising to avoid the upcoming social season, he hops a freighter bound for the Orient. It sinks in mid-ocean and he, as the sole survivor, is washed upon a island, where he is rescued by Nia, daughter of the tribal chief, Neto.John is puzzled as all of the tribe are white people, but he learns from the tribal chief they are descendant's of English-origin who also are on the island because of a ship wreck a few hundred years ago.

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.

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.

After robbing the bank at Orlock, Cherry and Newton make their getaway. When on the outskirts of Lone Point, the men cut the telephone wires. Helen, however, learns of the robbery. Never suspecting that the crooks are headed for the station, the girl is taken by surprise when Newton and his pal hold her up.

Dawson, a newcomer to the division, meets Helen while the girl is riding in the freight engine with Star, his engineer. Helen ignores the fireman's offensive stares, knowing that trouble would instantly result, if she reported the matter to Star. The following day, Dawson approaches the girl telegrapher and, seizing her in his arms, kisses her.