After meeting a young woman, Scott is waylaid by two unscrupulous bounty hunters who claim he is the girl's outlaw brother whom they have been pursuing. The local sheriff gives Johnny two days to find the girl and prove Scott innocent, but the bounty hunters have no intention of waiting that long.
Murdoch meets an old flame, now widowed, and brings her to the ranch, where they rekindle their romance. But this is all threatened when her son comes to the ranch with another prisoner after their escape from an Army barracks, in which a guard was killed.
When Charlie Poe and his wife are forced off their land by land grabbers claiming an old Spanish grant, Johnny, Scott, and Charlie decide to break jail and stop the train carrying the papers the land grabbers hope to use to make their claim official. But Charlie enlists an old friend who may plan to take more than just the papers.
When Sheriff Val Crawford is injured, newcomer to Green River, Clay Crisswell takes over temporarily. His civilized ways and the ability to subdue the rougher element of Green River without a gun make him popular with the businessmen, but things may not be what they seem.
After being stranded in the desert, Scott is found and taken in to an abandoned mine by an inquisitive young boy. But the boy's family includes an outlaw uncle who plans to kill Scott and pass the body off as his own.
A schoolteacher encounters hostility and harassment when he arrives to start a school in a ranching community that has had no teacher before. When the teacher disappears after being taken out of town by night riders, his wife decides to continue in his place, and Johnny assists her despite continued resistance from children's parents.
Murdoch leaves on a stage for Yuma in hope of disproving assumptions that he's getting too old to take care of himself. But on the way, he and the stage driver are held up and left for dead. They walk to the town of Blessing, which they find is run by a crooked town boss who has the stage robbers in his employ.