Broadway After Midnight (1927)

To protect her brother, a nightclub entertainer Queenie Morgan marries a gangster. She bears a resemblance to a society girl who has gotten involved with the underworld and wound up shooting her gangster boyfriend, and the gang forces Queenie to impersonate the woman in order to extort money from her wealthy parents. Unfortunately the society girl is killed by the gang, and the police arrest Queenie for the murders of both the society girl and her boyfriend.