Mighty Lak' a Rose.

A blind orphan, Rose Duncan, who has a special talent with the violin. Jerome Trevor, a famed pianist, hears her playing and sends her to an uncle in New York so she can become educated. But the uncle is killed in an accident on his way to meet her and she is taken in by gang leader Bull Morgan. Morgan pretends to be her uncle to elude the police, and he sees the value of keeping her around as cover.