The New Teacher (1922)

Society girl Constance Bailey becomes a schoolteacher in New York's Lower East Side, telling her fiancé, Bruce Van Griff, that she is sailing to Europe. Seeing that he has been tricked, Van Griff joins the police force, getting a post on the corner where the school is located. Van Griff rescues Constance from one difficulty after another and convinces her that she needs a husband and protector.