Fely and Anne are twins orphaned when their mother dies en route from Ireland to America. Fely is adopted by the O'Tandys, who live in New York's Shantytown, and Anne is adopted by the wealthy De Rhondos. Fely grows up without knowing her sister and becomes a dancer in Tony Pastor's theater. Dirk De Rhondo, Anne's stepbrother, is attracted to Fely, and after protectin...