Clay Tallant comes to Silver City, Arizona in the 1880s and encounters wide-spread lawlessness and disorder, unscrupulous politicians, outlaws galore and brow-beaten citizens. He accepts the position of town marshal and, with his brother and a reformed outlaw , Tex Randolph, who comes over to his side, sets out to bring law-and-order where none exists. He also wins the hand of the singer appearing at the Opera House.
When John Mason's father is killed, John is wounded. Attracted to his nurse Alice, a conflict arises between him and his friend Ben who plans to marry Alice. John later finds the killer of his father but goes to face him not knowing Ben has removed the bullets from his gun.
A thug robs and kills a fur trapper. He is caught and locked up by the Mounties, but is soon broken out by his partner. As the Mounties investigate, they discover that the two are part of a ruthless crime ring run by a female gangster.
A rancher is murdered after discovering that 40 head of his cattle have been rustled. A neighboring family is accused of the crime and flees across the border, then tries to find the real killers to clear their name.
Two prisoners, Steve Brandt and Nick Montana, chained to each other, escape by jumping from the train that brought them to the penitentiary. Persued, they hide in the carriage with Jane Langton. Arriving at her ranch, they discover that she is fighting against a Pete Sutton, who wants to take her pasture. Not wanting to confront, Sutton offers the two escapees help by assisting them move to Mexico.
Cesare Campo is a hard-riding and hard-loving Argentine gaucho. Yvonne LaMarr is a famous Parisian singer on her way to play an engagement in a Buenos Aires cabaret. THe plane she is flying in is forced to land on the Pampas. Campo and his riders take the passengers to a hotel. Yvonne and Campo quickly fall in love, but she had to leave to make her singing engagement in Buenos Aires. Campo follows her and discovers that his horse that was the favorite to win the Big Race has been stolen.
A man posing as Mark Henry is after Henry's oil land but Henry's niece is part owner and he needs to marry her off to his henchman Slager. Mountie Jim Sullivan arives posing as a wanted man and is soon caught up in the plot when Slager, wanting everything for himself, kills his boss and makes Jim a prisoner.
When Morley has his own bank robbed, Tom tries to break it up. Mistaken for one of the gang, he is caught and sentenced to a chain gang. His girlfriend Peggy then sets out to prove his innocence.
The McLean and Brennan ranches are both losing cattle to rustlers and each blames the other when cattle buyer Graves is the real culprit. To throw suspicion off himself Graves hires Tim to investigate, not knowing that this will be his downfall.
Driving off an Indian attack, the soldiers capture one of the Indian rifles only to learn that it came from their own warehouse. With Lieutenant Bentley and Sergeant Luke having the only keys to the guns, Bentley finds himself under suspicion and starts to investigate.
O'Brien is "Whispering" Smith, so named because he speaks softly but knows how to fend for himself. The son of a railroad president, Smith is determined to learn the business from the ground up, so he gets a job as a track walker for his dad's rail line. While going about his duties, he meets Nan Roberts (Irene Ware), who is about to sell her Colorado ranch. Smith finds out that there are valuable tungsten deposits on her land and makes certain she won't be cheated by the villains
Flash Carson is after the Conroy ranch. Having killed Conroy, he is now after the heir Billie Conroy. But there is another heir and it is Tom Manning who arrives posing as an outlaw. He gets accepted into Flash's gang where he hopes to learn the truth about Conroy's death.
Jay Price's dying mother tells him his real name is Jack King and gives him a locket as proof. At the King ranch he loses the locket which is found by the foreman. Hoping to regain his proof, he hires on as a ranch hand knowing the foreman is the outlaw known as the Hawk. But trying to prevent the Hawk from rustling cattle, he is captured by the Hawk's men.
Hanson is using Bobby's carrier pigeons to receive messages. His man Slim shoots them down before they reach Bobby. When Slim is injured, Ranger Daniels posing as a drunk gets the job. He misses the next pigeon on purpose and gets the message from Bobby. But his identity has now become known and the gang rides to get him.
Tom Henderson is made Sheriff of Chico to fight Slim Walker's gang. Unknown to Tom, banker Luke Hargrave is the gang's real boss. Dad Kane is looking for the man that blinded him whom he can remember by his voice. He finds him when the gang robs the bank and Tom chases them down.
When his family is killed by Indians, a bitter cowboy turns into a ruthless hired gunman. Unbeknownst to him, his son had survived the attack, and is now a lawman. The son, not knowing that the killer is his father, is assigned to bring him to justice.