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

A Chinese laundryman confesses to a murder to get money for his family.

Consumed with the fear of losing their illegitimate earnings, some corrupt San Francisco businessmen conspire to besmirch Matt Wayne's stellar reputation.

Marshal Matt Wayne looks for the men who killed his business partner.

A young Chinese man wants to join the underworld.