1921
Jane Croft is the subject of cruel gossip in Silver Creek, Arizona, in 1880, and is nicknamed "The Sage Hen." The Home Purity League drives her out of town with her son, John. She sends him back to town on a horse when they are attacked by Indians. There he is adopted by the Rudds; and when they move away, Jane loses contact with her son for 20 years. In the meantime, she becomes housekeeper to George Sanson and a "mother" to his daughter, Stella. A gold rush brings John back as a lieutenant of cavalry. He falls in love with Stella, but Craney, a gambler, threatens to expose Jane's past unless she gives Stella to him. The father is killed, but John saves his mother and Stella from further jeopardy. Jane confesses her past to her son and is able to find happiness after years of sorrow.
1918
Claim jumper Dave Marco and his boss Earl Foster, a crooked investment broker, hire chemist Ralph Brandon to falsify papers that a certain worthless mine is valuable then convince Ralph's mother to invest all her money in the mine. Ralph’s sister Holly meets Jack Mason, whose mine is actually valuable though not yet profitable, and they fall for each other. Once Mrs. Brandon finds out she has been duped, though forced into silence by the threat of having Ralph’s malfeasance exposed, and Marco attempts to jump Jack’s claim events come to a head until the happy conclusion.
1915
Harley Hennage, a gambler, loves Marie but remains silent when he realizes that she is in love with Oliver Corblay, a prospector. After Corblay and Marie marry, Harley moves to the distant town of San Pasqual and does not see his old sweetheart until her husband is killed while staking a claim in the desert.
John Ashby and Allene Houston, two neighboring ranchers, are in love, but their parents' violent dispute over the route of the new X. Y. Z. Railroad eventually drives them apart. Colonel Houston and the elder Ashby are killed in a fight, leaving John and Allene to continue the feud, John accepting a job with the railroad company and Allene swearing never to cross their property.
1923
An outlaw decides to hang up his guns and lead the "straight" life. His foster son falls for the daughter of a wealthy estate owner. The crooked manager of the estate wants the girl for himself--so he can control the estate when the father dies--and tells the father that the boy is an outlaw's son.
1927
Our hero is mistaken for a bandit. Al's girl Nancy at first believes him to be guilty, but he manage to convince her that the real bandit is McDonald.
Engineer Joe Dayton faces sabotage while constructing a railroad through the Canadian Northwest. Local bandit leader Jacques Durand attempts to stop the project, fearing it will bring law and order. Complicating matters, Dayton and Durand are look-alike doppelgangers.
Jack Stokes is Sheriff Lamar's right-hand man. Mrs. Lamar receives a threatening letter from a gambler. He threatens to expose her past life if she does not convince the sheriff to let him gamble freely. Jack overhears the conversation. In the ensuing fight, the gambler is accidentally killed. His gang tries to lynch Jack.