Blind Pete Horne knows the location of the Lost Spanish Silver Lode, but is knifed before he can tell anyone. His seeing eye dog, Duke, brings Rex Allen and Gabriel Horne to Pete's lifeless body. They set out to find the killer and run into trouble near Silver City, Arizona, when they rescue Katie McIntosh from a gang that is chasing her buckboard.
| Actor | Role |
|---|---|
 Rex AllenRex Allen | Rex Allen |
 Buddy EbsenGabe Horne | Gabe Horne |
 Mary Ellen KayKatie McIntosh | Katie McIntosh |
| BBilly KimbleyJimmy McIntosh | Jimmy McIntosh |
| AAlix EbsenSusie McIntosh | Susie McIntosh |
 Bill KennedyMonk Monroe | Monk Monroe |
 Gregg BartonHenchman Hank | Henchman Hank |
 Clem BevansTown Loafer | Town Loafer |
 Frank JenksTheater Owner | Theater Owner |
 Hank PattersonPostman | Postman |
 Harry LauterPete Horne | Pete Horne |
 Harry HarveyGroggins | Groggins |