A sweeping historical family saga set in London's East End at the turn of the twentieth century. The story follows twin sisters Ruby and Rosetta Capretti, who may look alike but dream of very different futures. While sensible Ruby longs to become a nurse, ambitious Rosetta dreams of fame on the music-hall stage. Their lives are forever changed when they meet the enigmatic Jonas Crowe, leading to love, jealousy, heartbreak, ambition, and family conflict.