A desperate man takes the ultimate plunge when he gambles a fortune without his wife's knowledge.
Attempting to miss hitting her stepfather's car, Patricia Faxon swerves as she enters her driveway and hits the hedges. After asking her stepfather, Bertrand Allred, to move his car, he finds Bob Fleetwood badly hurt next to the hedges. The next morning Bertrand Allred is found dead in his car.
Matt and Chester track Nation for a killing in Dodge. Nation kills their horses then gives himself up. They wind up having to take a stage back to Dodge. Nation recognizes a man on the stage and helps Matt prevent a robbery.
Another shipment of stolen jewels arrives in the pueblo, and Dolores Bastinado unwittingly allows her brother, Pogo, to deliver the cargo to the Murietta brothers. The trunk slips and breaks open, and Pogo spots several of the gems. He realizes the men will try to kill him to protect their secret, but he is seized before he can flee. The Muriettas bind and gag him, then hide him when they hear Sergeant Garcia arriving.
A man learns never to separate a woman from her accessories when his "perfect" murder plot is spoiled by a missing piece of luggage.
A secret Army payroll is stolen and two soldiers killed. The Major threatens Matt with martial law if the thieves aren't caught. Matt suspects Jenny Lane, a new girl at the Long Branch of being involved.
Enid Griffin, the secretary of Stewart Brent, attempts to commit suicide after learning her boss has married. Arthur Binney attempts to blackmail Stewart Brent with facts about his new wife having been in jail for fraud. When Stewart Brent goes to meet Arthur Binney at a motel for the payoff, he is knocked unconscious. He awakens to find Arthur Binney dead in the next room and is put on trial for murder.
Determined to find the missing jewels, Diego and Bernardo visit a local padre in the hopes he can assist them in their quest, but the trip is to no avail. Later, when Carlos Murietta complains to Sergeant Garcia about the missing trunk he had stored at the tannery, Diego is convinced more than ever that the jewels were hidden by Mordante before his death.
When a newly married couple realizes that a lottery ticket is in her recently deceased ex-husband's burial suit, they put their love on the line to exhume the winnings.
Racketeer George Castle kills Las Vegas hotel owner Glenn Faulkner over a gambling debt and sets his sights on land inherited by Faulkner's daughter, Stephanie. When Castle turns up murdered as well, Stephanie finds herself the number one suspect.
Matt arrests James Cando. Cando tells Lee Binders to break him out. In the attempt to get him out Cando tries to hang Chester.
Expecting another shipment of jewels, Murietta goes to inspect the tannery where they will be stored. There, he spots Pasqual, a peasant who lives there, and whips the old man until he leaves. The shipment arrives accompanied by Dolores Bastinado, recently arrived in the pueblo, who attracts the attention of Sergeant Garcia.
When three beautiful blonde women are strangled with a silk stocking, Mr. Morgan becomes convinced he knows how it happened, even though no one will hear him out.
Gambler Leach Fields marries Zach Morton's widow Ada thinking she knows where the money Zach stole is.
Perry and Della are traveling on a cruise ship returning to Los Angeles from Vancouver. A fellow passenger, Carl Houser, who recently came into a bunch of money, and his wife and daughter end up meeting the two. Houser’s wife, Anna, enlists Perry’s help because she believes something is wrong with her husband and his story. Then her husband ends up overboard and she is suspected of murdering him.
Another agent sent by the Eagle arrives in the pueblo, this time smuggling jewelry to finance the conspiracy. Carlos Murietta, an Argentine who is contemptuous of the locals, particularly Sergeant Garcia, visits a tannery run by Jose Mordante. The two men discuss the disposition of the gems, including a famous piece known as "The Cross of the Andes", which were stolen from churches in Argentina.
'Tis the season to resurrect old family grudges when a brother accuses his sister of murdering his wife on a less than jolly Christmas Eve.
When wealthy Louise Gordon is poisoned to death her nurse is charged with the crime. Perry does some digging and discovers that the first wife of the victim's husband also died of poisoning. Is the husband really the culprit or could it be someone else?
Mr. Shaneway wants Mr. Pap at the bank to loan him $20,000 for a poker bet. When the con begins to unfold, Doc gets kidnapped.
Raquel's ambitious plans for her husband appear to end when she receives a letter from him. She had been promised by the Eagle that he would be made governor of California, but her husband wants her to join him in San Diego, for he plans to sail back to Spain. Realizing the Eagle will not let her go, she tries to sneak out of the pueblo, only to be caught by Quintana.