The Ming and Hebei dynasties were originally the most powerful country, and the empires conquered by their ancestors were often destroyed in the hands of later generations. The male protagonist is the youngest son of a general who governs the country. When he was 10 years old, the general was falsely accused of treason and his entire family was massacred. The general's former civet cat replaced the prince to rescue him and entrusted him to the prime minister of the dynasty. The heroine is the eldest daughter of the prime minister. The two were childhood sweethearts, reading poetry and practicing martial arts together. The male protagonist thinks about finding out the truth every day, killing his enemies with his own hands in order to comfort his clan members who died unjustly. He suppresses his feelings for the female protagonist and treats each other like a brother and sister. However, the female protagonist has already decided that she will not marry anyone who is not a king. The male protagonist was weak in the martial arts competition and served as the minister of the Ministry of War. Three years later, the government changed drastically. He followed the seven princes to fight on the battlefield to defeat the corrupt and cruel rulers. The heroine's tribe was massacred in a coup, and she followed the hero to wander and fight. During this period, the seventh prince also developed a secret love for the heroine...