A Man Called Shenandoah S01E19 - The Lost Diablo

Shenandoah comes into town with a safe deposit box key, the woman seems to recognize the key number. Shenandoah finds a document in the Wells Fargo box that turns out to be a map to a gold mine. A man who claims to be his partner over 10 years in the past joins up with him to find Don Diego's lost treasure.