⁣An expensive gift that Jim bought for his mother for Christmas is stolen, and he sets off after the thief to get it back.

⁣Jim volunteers to be a temporary deputy sheriff in order to guard a prisoner. However, he soon begins to suspect that the young man may not in fact be guilty of the crime he's been charged with.

⁣ Mr. Wong owns valuable property in town and someone wants to get it cheap. They harass and attempt to convince Mr. Wong to get out of town.

⁣The Grangers are unaware that the charming young man from Boston, who has come to look over their ranch, is an outlaw planning to purchase it with the money from his first holdup.

⁣A young man returns to Diablo to practice medicine after his father put him through medical school.

⁣ When Tagg finds an injured man with amnesia wandering outside town, Annie discovers that the man is wanted for robbery and murder.

⁣A telegrapher's desperate message for help forces two murderous thieves to hide their loot in a box of bicycle parts meant for a pair of intrepid cross-country cyclists. The crooks force the cyclists to pedal their ill-gotten loot out of town, but Annie discovers their scheme and lays plans to capture the killers.

⁣When a member of Teddy Roosevelt's famed Roughriders returns to Diablo to homestead valuable land he'd been promised for reenlisting, he discovers the property is part of an Indian reservation. A crooked land agent frames the ex-soldier for murdering a brave in hopes of provoking an Indian war, which he will use for his own land-grabbing ends.

⁣A young man is under suspicion of having killed his rich uncle, but Annie thinks he's being framed and sets out to find evidence to prove his innocence.

⁣When a rancher murders his cousin over an inheritance, he tries to use a midnight ride to create an alibi.

⁣Annie has to come to the aide of the widow Malloy and her son Dave when they are being threatened to sell their land or suffer more of the same treatment.

⁣Unexpected trouble comes to a rancher who hires ex-convict Steve Bailey. The real trouble starts when Steve's outlaw brother Duke Bailey comes to the ranch determined to keep his brother from going straight.

⁣Cisco and Pancho are after a thief who stole $25,000 in bonds from a friend of theirs. They soon begin to suspect that a young woman who is a cook in a hotel is actually the thief's partner.

⁣Cisco follows the killer of a U.S. marshal to the town of Twin Buttes, which is notorious as a haven for criminals of all kinds.

⁣Cisco and Pancho get involved when a gang of jewel thieves, who've mailed themselves part of their haul, are prevented from getting their package by a by-the-book postal clerk, and they then decide to take it by force.

⁣Cisco takes part in an endurance race to help prove 4 quarter-horses can beat one thoroughbred, while the man entrusted to hold the race money, is planing to steal it.

⁣Cisco and Poncho are being impersonated by two bandits who have committed robbery and murder, so they have to break jail to prove their innocence.

⁣Cisco and Pancho find a woman near death in the desert and learn she is a target for murder because she is headed for a ghost town to prove an inheritance and upon accompanying her find an addled innkeeper and other characters.

⁣Pat Gallagher and his sidekick Stoney Crockett are Secret Service agents in the Old West, dispatched by the government to investigate crimes threatening the young nation.

⁣Pat and Stoney are ordered to California to investigate reports of an anthrax epidemic and get involved in murder and a feud between neighboring ranchers.