《冒牌高手》讲述的是：Two untalented singers (Sam Rockwell, Steve Zahn) are mistaken for a pair of major league safecrackers in Providence, Rhode Island. The two are pressed into service by the local hoodlums and quickly find themselves in conflict with their professional colleagues. Romantic interest is added by the daughter (Christina Kirk) of the underworld leader (Harvey Fierstein) who won't date the men she knows are gangsters.