Imaginary ancient dynasty, capital city, Prince Jing's Mansion, imperial palace
Su Jinxin survives in the gap between the emperor (who monitors the prince) and the prince (who hates the substitute). She grows from a chess piece at the mercy of others to a chess player who can control her own destiny. She and Xiao Jue go from hating and testing each other to gradually understanding and falling in love. They jointly uncover the truth about Bai Yueguang's death and deal with the conspiracy of the court.
