The protagonist's name is Xuanyuan Yuxiao, originally the prince of Qingyun Kingdom, when he suffered the destruction of the country, he escaped by luck, and inadvertently came to Luohua Village, met Luo Yihan, and became Luo Yihan's brother-in-law, but because of his identity, Luo Yihan's family was ruined, and Luo Yihan never knew who his enemy was? Ten years later, Xuanyuan Yuxiao took refuge in Nan Shangguo, only to find that his uncle did not die, but became Nan Shangguo's adviser, and he was overjoyed. Later, Nam Sang-kook helped him restore the country. In the process of recovering the country, he found out that his brother-in-law Luo Yihan had taken refuge in the enemy, and he had no choice but to tell Luo Yihan the true situation of the murder of his father-in-law and mother-in-law. When Luo Yihan knew the truth, he couldn't accept it for a while and refused to forgive him, but in the end he destroyed the enemy with him and helped him complete the great cause of recovering the country. After the restoration of the country, Xuanyuan Yuxiao held a grand enthronement ceremony and officially became Emperor Qingyun, but he lived a life of exile since he was a child, and he already disliked the brocade clothes and jade food in the palace, intrigue, and finally passed the throne to his uncle, and he wandered the world with Luo Yihan, Zhang Feimo, and Yuwen Vegan.