Helen, the telegraph operator at the Lone Point Station, shields Miguel, a greaser, under suspicion of having stolen some horses, until the real thieves are caught.

Joe, the Wop, employed in the roundhouse near Lone Point is notified that he has been promoted and will take his place that night as a fireman on the local freight. On his way home he stops at the station to tell Helen, the operator, of his good fortune. As Joe starts down the track towards home, Scarlotta, a member of a notorious vendetta that has marked Joe for death, shoots him from ambush. Helen sees Joe fall in the middle of the track and barely succeeds in dragging him to safety out of the path of the limited. Joe's wound is not serious and that night he takes his place as fireman on the freight. Determined to "get" Joe, Scarlotta visits the station where Helen is still at her key and after binding her and locking her in a closet, throws the switch so that the freight will collide with the cars on the siding.

A former Annapolis cadet is thrown out of the Naval Academy for cheating on an exam. Of course he was framed, but he must enlist in the Navy to clear himself. Meanwhile he and his sweetheart search for a buried treasure on Lost Island, which everyone is after.

A biographical film featuring the presidency and assassination of Abraham Lincoln during the American Civil War.

As a man travels down to New Orleans for the winter, he finds out a robbery will be taken place on Christmas night in a plantation. he helps a girl by making it available for her to marry her boyfriend.

Helen, the telegraph operator at Lone Point, receives a telegram for Sydney Wayne, superintendent of the Graham Gravel plant, advising him that the plant has changed ownership and that Stanton Grey accompanied by his daughter Edith, is on his way to Lone Point to inspect the property. Wayne is startled because he has gambled away the company's money and realizes that his books will not balance. Fortune appears to favor him when Grey is carried into the station unconscious as the result of an automobile accident. He extracts Grey's wallet from his pocket but Cole, the gambler, who has trailed Wayne gets a photograph of him in the act. With the photographic evidence, the gambler tries to blackmail Wayne.

Rich young playboy Gregory Kirkland reads a newspaper story about a daring robbery, and bets his friends that he can steal a famous diamond tiara, The Sultana, from its designer and then secretly return it without being caught. Robert Sautrelle, who designed the tiara, visits Kirkland's home, and Gregory does indeed steal it. However, he gets cold feet before he returns it and convinces a woman he knows, Virginia Lowndes, to return it. Unfortunately, things don't work out exactly as Gregory had planned.

Barstow, a crook, conceives the idea of buying old automobiles, staging "accidents" with them, and settling with the railroad. At the Lone Point crossing one of his machines is hit by the train and the flagman is discharged because it appears that he has been negligent. Helen, the telegraph operatic, gets a day off and starts for the hills on horseback. She meets Duncan, a railroad detective sent to investigate the increasing number of crossing accidents.

Millionaire meat packer Peter Cameron, greedy for more money and power, maneuvers an alliance between his daughter Rose and George Gray, the son of Cameron's business rival Max Gray, in order to increase his control of the food industry. George, a lawyer, opposes the trust, and as a result is professionally ruined by Cameron, disinherited by his father, and jilted by his fiancée. Out on his own, George gets a job at a mill and starts at the bottom. When an epidemic breaks out among his fellow laborers due to their eating spoiled meat from the trust, George secures evidence of criminal practices which ultimately brings about the conviction of Cameron and the trust. In championing the rights of the downtrodden, George wins back Rose and reforms Cameron.

After a love triangle results death, St. Elmo falls from grace and is eventually redeemed in this now lost silent film based on the best selling novel by Augusta Jane Wilson.