"La comtesse de Rudolstadt" by George Sand is a historical novel published in 1843, continuing the story of "Consuelo." The widowed singer Consuelo performs at Frederick II of Prussia's court, where she becomes entangled in dangerous political intrigues and romantic machinations. Imprisoned for refusing to betray royal confidences, she is mysteriously rescued by members of a secret Masonic-inspired society. Her initiation into this brotherhood reveals unexpected secrets about her supposedly dead husband Albert and transforms her feelings toward her enigmatic rescuer, the knight Liverani.