It Happened to Adele.

Adele has grown up in a tenement, but she longs for greater things. She gets her chance at the stage when her mother runs into an old friend, Blanche. Blanche has been working steadily in the theater, and she helps Adele get work. The young girl finds romance with Vincent Harvey, an aspiring composer. One day Adele suffers an accidental fall out of a window.