Trail of Kit Carson (1945)

"Cold-Blooded Killers versus A RED-BLOODED MAN OF ACTION!"

Bill Harmon receives a letter from his partner, Dave MacRoy informing him of a rich gold strike in their California mine. Arriving there, Bill learns from elderly miner John Benton that Dave is dead and that he sold the mine at a strangely low price the night before his supposed accidental death. Harmon suspects murder.