⁣Scully has forced Joe Collins who works on the Garcia ranch to give him information so his men can steal the family jewels. But the Rough Riders are on the job. Buck poses as a wanted outlaw to get into the gang, Tim as a cattle buyer, and Sandy is collecting information as the saloon janitor. As usual they pretend not to know each other.

⁣A stranger shows up at the ranch, claiming to be Joey's real father and threatening to separate the boy from Jim and Fury. Jim knows the man isn't who he claims to be and has to stop him.

⁣Joey befriends a new boy in school, but the friendship is discouraged by the boy's demanding father who requires his son to spend all of his free time studying in order to excel in school.

⁣ Hammond is after the Craig ranch and has framed Charlie Craig for murder. Mother Craig brings in the Range Busters. They capture one of Hammond's men and Alibi plans to trick him into a confession as to who the real murderer is. Meanwhile, Denny has overheard Hammond's plans for his next move and he and Crash set out to round up the gang.

⁣A lawman goes undercover to infiltrate a gang of cattle rustlers hiding out south of the border. His plan is to lead the thieves into the Sheriff’s trap, but complications arise when he falls for a beautiful fugitive of justice.

⁣The Chinese citizens of Virginia City are targeted by a mayoral candidate's campaign to "hate outsiders". Philip Ahn and Helen Westcott guest star.

⁣As a reward for saving Ben Cartwright's life, an Indian named Matsou (Ricardo Montalban) is given a small parcel of Ponderosa land. Ben's Indian-hating neighbor Ike Daggett (Karl Swenson) violently objects to Matsou's presence. When his wife is killed in a raid, Daggett, holding Matsou responsible, and kills the Indian's wife (Madlyn Rhue) in retaliation.

⁣THE SPANISH GRANT: When the Cartwrights find out that some of the Ponderosa may be forfeited under the Spanish Land Grant, they decide to take legal action in order to stop it. Adam, however, takes another plan of action, which involves getting to know the beautiful heiress who is claiming the land under the grant.

⁣Kit Carson and El Toro must find a wealthy Mexican ranch owner who's in hiding and deliver to him an important land grant document from the governor of California.

⁣Annie, Tagg and Lofty try to help a history buff who believes he has found a map that could lead to gold hidden by the Spanish explorer Coronado over in the early 1500s. The man's search for the treasure is hindered by a gang of outlaws who want the loot for themselves.