
Lucas McCain raises a son while battling desperados in New Mexico.

After foiling a girl's attempt to rob the general store, Lucas finds that she and her brother are plotting the murder of their abusive stepfather.

Lucas and Mark find themselves held at gunpoint by a prisoner being transported on a train, which becomes stranded from a plague of grasshoppers.

Mark discovers that the new preacher and his wife are impostors planning a robbery.

Lucas and Marshal Torrance get into trouble with the Army when they try to help a wounded young soldier who deserted.