A horse called Brilliant is the only one who knows the location of a gold mine. When Brilliant's owner is killed, the trio known as the Three Mesquiteers (Bob Steele, Tom Tyler and Jimmie Dodd) are mistakenly arrested for the murder.
| Writing | William Colt MacDonald | Characters |
| Writing | Jacquin Frank | Screenplay |
| Writing | John K. Butler | Screenplay |
| Directing | Elmer Clifton | Director |
| Production | Louis Gray | Associate Producer |
| Sound | Mort Glickman | Music |
| Camera | Bud Thackery | Director of Photography |
| Editing | Edward Schroeder | Editor |
| Art | Russell Kimball | Art Direction |
| Art | Otto Siegel | Set Decoration |
| Sound | T.A. Carman | Sound |
