Hidden Valley has managed to retain its Old Western atmosphere, free of modern-day corruption, until escaped convict Smitty arrives with plans of taking over and opening the town up as a gambling resort. It's up to Rex Allen and his pals to put a stop to it and sing a few songs along the way.
A notorious Chicago lawyer leaves his successful practice and goes to Hawaii to locate his missing son who abandoned a promising law career and has become involved in drug smuggling.
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...
