Princess Yanji of the Northern Desert married Xiao Che for the sake of peace, but she became a pawn of a foreign race with a blood feud in the eyes of the emperor. She was treated coldly by the Golden Palace and framed by courtiers. Why did her sincerity to protect each other with her life only lead to the overthrow of her family and blindness? At the moment when she made a blood sacrifice to the city wall, the jade pendant slipped off her body, and the shocking secret hidden behind her surfaced - it turned out that the assassination ten years ago had a hidden agenda. How will Xiao Che trace the truth?