Tonton Streaming Have Gun, Will Travel (1957) S1E37 - Silver Convoy

Paladin is hired to find James Becker. He trails him to Monterey and discovers he has been arrested and is sentenced to work in a silver mine. Paladin finds that Becker has died in a cave-in or so he is told. The owner of the mine hires Paladin to guard a silver convoy, but first Paladin wants to find out a little more about the mine.