San Franciscans during the gold rush of the 1850s attempt to maintain law and order in their wild city.

Consumed with suspicion over a gold mine and its dealings, Matt embarks on an investigation and encounters a life-threatening situation.

Matt gets sworn in as a U.S. marshal when stage holdups occur.

The Prince of Thieves executes a daring robbery in San Francisco.

Matt goes to Hangtown due to a dying man's last request.