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Australian actress Mae Busch was the Frivolous Sal of the title in this melodrama in a western setting. Saloon-owner Sal married a handsome actor (Eugene O'Brien), whose young son (Ben Alexander) mightily disapproved of. So did mine-foreman Tom Santschi, who wanted Sal all to himself and attempted to break up the marriage. There is a sub-plot concerning stolen gold, but true love once again wins out over avarice. Both Eugene O'Brien and Mae Busch were experiencing a career slump when this film was made, he due mainly to his advancing years, she because of a much-publicized affair with producer Mack Sennett.