One is an orphan girl who fell in love and lost her country, and the other is a crazy prince who is decisive and murderous. Xie Zizhong, a powerful official in the court, controls the cabinet, kings are coveting the throne, foreign tribes are stirring in the border areas, and undercurrents are raging in the palace. In the cage on the jade steps of this golden palace, love, hate and power are intertwined, murderous intentions are hidden in the whispers beside the pillow, affection and madness coexist, white and black compete with each other. The dynasty is in turmoil. Who is the chess player and who is the delusional person trapped in the game?