A Ying, a loyal dog and secret guard who is proficient in all kinds of hidden weapons, failed in his mission and was taken home by the heroine's father. He worked as a secret guard for the heroine Lin Yuening. The hero was gradually influenced by the heroine's innocence and became a follower who risked his life to protect the heroine. Lin Yuening, the only daughter of the general who protects the country, is loved by thousands of people. She is simple and kind-hearted. It was not until her home was ransacked that her tough side was inspired. She worked hard and plotted to clear away the grievances.
