She was originally the daughter of a salt merchant from the south of the Yangtze River. Because her face was very similar to that of the late empress, she was sent to the palace and became the young emperor's stand-in to comfort him. She knew very well that she was just a bird in his palm and a shadow in the mirror, so she hid all her edge and sincerity and only wanted the safety of her family. However, when conspiracy, betrayal and sincerity are intertwined, when she discovers that the meaning of her existence is far more than just a substitute... The heart of the emperor is as deep as the sea. How can she break through the mystery and find her own way out and her true heart in the turbulent palace?
