Although Gu Yue's original life was difficult, it was also peaceful. In order to find the missing master, she had to come to this deep palace with Su Jing. The acquaintance with Su Jing outside the palace made her fall in love with Su Jing unknowingly. But in this deep palace, she was hurt again and again by Su Jing, and she finally became disheartened and chose to die for the country. But what she didn't expect was that the bond between her and Su Jing was far more than that...