Sergeant Garcia returns from escorting Padre Simeon on a trip from San Diego and is surprised to find that almost everyone in Los Angeles has contracted the measles. The doctor has placed the entire pueblo under quarantine and restricted residents to their homes. Even the soldiers cannot leave the cuartel.
While on patrol during WWII, a German U-boat attempts to evade detection from the sonar of the American and British ships. But their location is repeatedly betrayed by the noise of a rhythmic banging sound caused by someone . . . or something . . . on board the submarine.
When his employer begins to suspect him of embezzlement, bookkeeper Asa Manning decides to hire a professional gunman to take care of the problem.
When he loses all his money in a poker game, a man tells his pregnant wife an involved lie to explain the missing cash.
Matilda Benson is a tough old broad who rules her children with an iron hand and the promises in her will. Her family then gets involved in a gambling scandal involving sinister nightclub owner Danny Barker. When Barker is found dead the scandal expands to include murder.
Matt tries to help Andy Hill, a young gunman who is apparently trying very hard to go straight, by getting him a job riding shotgun on the stagecoach.
Pedro Avila, recently arrived in the pueblo, earns a meager living by betting other men that he can beat them in a sword fight. He tries to talk Diego into betting, but Diego refuse, as Diego knows he must keep his skill a secret. This gives Avila and his friend Tony Pineda an idea about how to get rich. They plan to force Diego into a duel, then allow the frightened man to buy his way out of the situation.
An unfounded rumor causes North Fork's outspoken feminist schoolteacher to be attacked by a mob of angry townspeople.
A retired Scotland Yard inspector goes to extreme lengths to prove the guilt of a suspect in an old murder case.
Marshal Dillon has to stop a ruthless, cold-blooded, greedy, buffalo hunter who is in the habit of brutally killing his hired help to avoid paying them their wages.
Humiliated by Zorro, Basilio gets his revenge by arresting Sergeant Garcia and hoisting him in the air in the public square outside the cuartel. A large sign dares Zorro to rescue Garcia, but Diego knows Basilio will have hidden lancers throughout the area. When night arrives, so does Zorro, using Bernardo to help create a diversion that draws the soldiers out of town.
The McCains try to be tolerant of their embittered neighbor Abel MacDonald, who tels Lucas to keep off his land and won't allow his son to become friends with Mark, but they decide he's gone too far when he won't allow his injured boy to get medical treatment.
An argument between two trapeze artists results in an accident in which one is paralyzed. The other is torn by guilt and depression, until supernatural forces began to change his world.
Matt becomes suspicious when Jerry Cass's plans to marry saloon hostess Bella Grant are complicated by Bella's sudden insistence that Jerry leave his recently-inherited ranch for six months.
Harry Bright and Chuck Clark were once best friends and business partners until Margaret entered the picture. Margaret was a much younger woman on the make who entranced Chuck into marrying her. When Margaret is found shot to death, Harry is arrested for the crime but the more Perry digs into the victim's past the more convoluted things get.
Even with his stolen gold gone, Basilio plans to remain in Los Angeles as a wealthy man. He decides to do so in a way that will let him exert a hold over Moneta Esperon, the attractive daughter of a wealthy landowner.
When a rambunctious teenager wrecks a schoolroom, Lucas McCain, as a member of the North Fork school board, asks the boy's reluctant uncle to pay for the damages.