The newspaper editor of Wilcox asks the Rangers for help, and two of them are dispatched to the town. However, when they get there they find the editor has been lynched and is hanging from a tree.
A gang of desperadoes cuts a swath of murder and robbery across the whole Arizona Territory, laughing at the Rangers attempts to bring them to heel. Since the gang uses every trick in the book to cover their tracks, Rynning hires an Apache tracker to find the outlaws.
A member of the notorious Wild Bunch bandit gang escapes from Ranger Clint Travis' custody, resulting in his being fired. Furious, Travis sets out to take on the whole gang and salvage his career and reputation.
The wife of a preacher who recently established a mission for Apaches receives a suspicious telegram and fears her husband has been murdered. Travis learns that a lynch mob hung two Indians accused of being horse thieves and the minister who tried to prevent the hanging. He also discovers that, in a moment of cowardice, the town sheriff failed to prevent the hangings.
Unemployed miners threaten to burn down the Bisbee bank unless they can withdraw money from their accounts. Travis is ordered to guard the shipment and must deal with corrupt businessmen and crooks with itchy trigger fingers to get the money through on time.
A preacher with a past is blackmailed into helping a murderer escape from jail.
A green ranger, accused of cowardice by his fellow lawmen, must lead his compatriots in a desperate attack on an Apache camp to rescue a young captive.
When an Apache inadvertently kills an elderly chief, the Rangers set out to defend him against his Apache accusers.
A meek, hen-pecked bank teller is accused of complicity in a bank hold-up when he is the only employee in the bank when an outlaw gang robs the Bisbee bank.
A rancher recently released from a mental hospital avenges himself upon the men who committed him.
When two of his sons return from Cuban POW camps after the Spanish-American War, a rancher decides it's time to reopen a feud between his kin and a rancher who purchased most of his land when he failed to pay his real estate taxes.
With only hours left before a hanging, Rynning desperately seeks evidence that might stay the accused's execution. Meanwhile the real murderers threaten the life of the witness whose perjured testimony sent the wrong man to the gallows.
A poker game in Nogales, Arizona turns sour when one of the participants is accused of crooked dealing.
A young man joins the Arizona Rangers and dedicates himself to becoming a quick draw artist.
When a wealthy land owner accused of murder can't bribe the circuit judge, he turns to witness intimidation to escape conviction. The judge requests Capt. Rynning to protect those called to testify.
When teacher after teach is run out of a small gold mining town, Rynning is order to investigate. His first day in the schoolhouse involves some two-fisted lessons.
A murderous escaped prisoner returns to his ranch and finds his wife has departed. He forces one of her old friends to find her while he holds the friend's wife as a hostage.
A young man, recently found not guilty of being a thief, is framed for the murder of his girlfriend by a romantic rival.
A card sharp agrees to help Rynning and Travis break up a gang of sheep rustlers.
Ralph Kincaid, a wealthy rancher, catches his son Juro stealing money from his desk so he can pay his gambling debts and brutally beats him. The next day, the father is found murdered and the evidence seems to point to his son as the killer.
A convict breaks out of Yuma prison and offers to help Captain Rynning round up the rest of his outlaw gang.
Three wild brothers who were driven out of town years ago return to warn the citizens of an impending attack by a gang of outlaws, but their warning isn't believed when one of their bullets ricochet's off a church bell and kills a man.
A man whose wife was killed during an Indian raid is incensed when his brother takes an Apache woman to be his wife and encourages other Indians to settle in the town of which he is one of the founders.
An outlaw's girlfriend convinces her sister, a nun, to lend her a habit so she can travel to Nogales to be with him.
The territorial governor orders Rynning to clean up prize fighting in Arizona.
The economic recession afflicting Arizona after the Spanish-American War hits the young veterans returning to civilian life the hardest. A young veteran, his sister and three friends try to make a go of farming by squatting on land claimed by other homesteaders resulting in bloodshed.
An ex-convict, declared legally dead by his wife when he went to prison under an assumed name, returns to Yuma to kill her new husband, a former partner-in-crime who has reformed.
A young lawyer returns home to litigate water rights controlled by a crooked businessman and learns his senior partner has been bribing witnesses to aid the company he is representing.
Ben Haddock, a recently hired trail boss, is fired by Red Emerson for dating his daughter. The two men have an argument over the money owed to the foreman resulting in Ben shooting Red and taking the money he feels he is owed.
While Travis tries to convince a representative from Washington that Arizona no longer subscribes to gun law, Rynning tries to prevent an ex-convict from exacting revenge upon a Yuma businessman whose perjured testimony sent him to prison.
A decorated Indian war hero becomes involved with a quack who's selling phony cure-alls after he finds his own tribe will have nothing to do with him.
Two saloon girls witness a prominent business man murder his partner. After giving evidence at the coroner's hearing, an agent for the accused tries to bribe them to leave town.
Rynning offers Vin Carter, Tucson's tough and honest marshal, a position in the Rangers, but Vin turns him down because of his sour relationship with the town's business community.
Rynning orders Frank Seldom to meet a stagecoach heading from New Mexico to Wilcox, Arizona to ensure its cargo of six lovely mail-order brides arrive unscathed.
When a gang of American outlaws takes over a Mexican border town, Colonel Kesterlitzky aka 'El Tigre' of the Mexican Rurales requests the assistance of Captain Rynning to recapture the town.
One of Kelton's riders reports that his son has been abducted by a group of Apaches led by Cochise himself. Rynning quickly organizes a posse to pursue the renegades, but their rescue mission is dogged by misfortune and, eventually, murder.
Rynning and his rangers try to outwit a beautiful, clever outlaw.
