In 1854, Australian gold rush miners struggle for their rights against an oppressive government.

The secretary of an affably suave radio mystery host mysteriously commits suicide after his wealthy young niece disappears.

Marshal Johnnie Taggart, posing as an outlaw named “Ace” Braddock, comes to Bannack, Montana to restore law and order. But he is recognized by Kitty, co-owner with Clay Curtwright of…