He is the son of the legendary sword fairy, but his originally happy family had a sudden change fifteen years ago, and his parents were brutally killed. He would rather become a revengeful prince and embark on this road of no return... She is the daughter of a high-ranking official in the imperial court. She has been married to the son of a general since she was a child. It is an imaginary dream and a mysterious song. When she meets him and their fates are connected, it is destined to be a love full of thorns... Behind the conspiracy, when the pair of little mandarin ducks saw their real enemy, they understood what good fortune meant...