Cinderella of the Hills (1921)

Hoping to reconcile her divorced parents, Norris Gradley remains with her father, Giles, after he marries another woman. The new Mrs. Gradley snubs and mistreats Norris, who earns money by disguising herself as a boy and playing the violin at dances. Claude Wolcott, employed by Giles to drill oil wells, falls in love with Norris.