General He Lin, the protector of the country, went on an expedition for ten years and returned with a great victory, only to find that his only daughter He Jinzhao's identity had been replaced by someone else, and his daughter also went through hardships. After He Lin found out the truth, he sought justice for his daughter, eliminated the traitors in the palace, and accidentally exposed the prince's conspiracy. After this incident, He Jinchao grew up in Nirvana. Under He Lin's guidance, he improved his martial arts. The father and daughter joined the court to participate in politics, and later went to the border to fight together. They relied on their skills to protect the country and became a solid barrier for Dajing.