The singing cowboy Roy Rogers is a Border Patrol agent delving into the disappearance of several men near the border between Mexico and San Angelo. Along with Sheriff Cookie Bullfincher(Andy Devine)and a sensational novelist from the East Lee Madison(Dale Evans), Roy discovers that Rex Gridley(John McGuire)is smuggling Mexican gold across the border and hiding it in an abandoned mine. And how can Rogers do all this without a song or two and his faithful horse, Trigger. William Witney directs this 54 minute oater. Supporting cast includes: Fritz Leiber, Fred 'Snowflake' Toones, David Sharpe and Bob Nolan and his Sons of the Pioneers. A good companion is THE GOLDEN STALLION(1949).