In the Jingan Dynasty, Crown Princess Shen Hengwu died suddenly on the eve of her canonization, and her twin sister Shen Hengwu was secretly brought into the palace to replace her identity. She originally wanted to live a stable life, but found that she had already been involved in a power conspiracy spanning three generations of emperors. From the hidden stakes in the East Palace to the secrets of the previous dynasty, from the border mutiny to the strife in the harem, she must move step by step on the chessboard of all forces. When she finally uncovered the truth about her "ominous twins", she discovered that her most trusted ally was the one who planned to push her into the abyss.
