Cowboy and the Senorita

Craig Allen is about to buy a supposedly worthless gold mine from Chip who inherited it from her father. Roy has different ideas, having found a clue from Chip's father indicating that the mine might be valuable. His investigation reveals a hidden mineshaft filled with gold. He races to town with evidence of his find but is pursued by a posse that believes a robbery charge that has been trumped up against him. Will he get there before the deed is transferred?