Male protagonist: Song Qing'an (the third prince, later the emperor, cold and deep, good at fighting, died defending his family and country)
Female protagonist: Mu Wanqing (the daughter of the guilty minister (actually a righteous daughter), adopted by the emperor, smart, tough, good at planning, and falls in love with the male protagonist)
Core conflicts: family feud (the secret of the heroine's family being destroyed by the emperor), national disaster (an invasion from another country), power plot (the fight for the legitimate heir), emotion (from use to deep love).
