Slim Thompson

Gangster marries world's kindest, most charitable woman, scams money from her while coming on to her daughter. When gangster is caught by his wife attempting to rape the daughter, he lies and blames the girl. Driven from her mother's home, the girl turns to show business to make a living. (imdb)

A nightclub singer refuses to "date" customers, so she's framed for the murder of her aunt, convicted of the killing and sent to prison. However, her friend, who is a police detective, doesn't believe she did it and sets out to prove her innocence.