The daughter of famous outlaw Belle Starr arrives at the town where her mother was murdered to find her killer.
Roy is an insurance investigator looking into the theft of uranium ore. He must prevent the thieves from taking off in a plane with the stolen ore.
Sue Farnum inherits a circus, but her dead father's partner is trying to take it away from her. Roy and Bob Nolan are filming a movie on location at the circus. They and a number of other western movie stars come to Sue's aid, putting on a show and catching the bad guys.
In the Spanish-rule days of Old California, a San Fernando girl, Maria Garcia, falls in love with an Irish immigrant, Michael O'Brien. The over-seer of the valley, Mendoza, is also in love with her, and tries to force her to marry him, employing many ruthless tactics to retain his control over th...