
Gridley is mining silver from an old Mexican mine and bringing it into the USA thru a passage into his worthless mine. Border guard Rogers suspects Gridley and finally finds the secret entrance to the Mexican mine. He sends Lee Madison for help only to have her captured by Gridley. Trigger brings help that takes care of Gridley's men and now Roy has to rescue Madison.

as Roy Rogers

as Trigger

as Lee Madison

as Cookie Bullfincher

as Rex Gridley

as Lionel Bates

as Henchman Ulrich

as Padre

as Deaf bus passenger

as The Cook

as Bus Driver

as Bob

as Pat