In the Central Plains Dynasty, the prince, who was always known for his benevolence, married the princess of the Ming Dynasty in the prosperous land south of the Yangtze River. Three months later, the princess was involved in the conspiracy of the palace rebellion and was sentenced to death row. Li Xuan, the third son of the Northwest General's Mansion, risked his life to rescue Princess Cheng Yin, who was hunted down after returning to the imperial city. As the soldier talisman that could determine the life and death of the empire reappeared, the mystery of her life experience sixteen years ago was revealed. Li Xuan used the military talisman as bait to lure the daughter of the Feng family, a prominent family in the southwest, and win over Nan The Jiang Yuan clan befriended Princess Gao Ming of the Ming Dynasty. Since then, all the Ming Dynasty forces in the southwest, northwest and southern Xinjiang have been captured by Li Xuan. The royal capital is decayed and the people are living in dire straits. Li Xuan and a group of like-minded people are like sharp swords piercing the heart of the royal capital, just like a gentleman's sudden change, prompting the dynasty to change.
Purpose: When a gentleman changes, his culture will be great. When dynasties change, the capable ones will live there.