During the Zhenguan period, there were many mysterious cases in Chang'an, the capital of the country. Dali Temple set up an investigation team and formed a five-person investigation team. Among them, Samodoro, the prince of Jialan King, was an eccentric person. In the 12th year of Zhenguan, he was born with a vision and snow fell in Chang'an. At this time, Satsuma met that person, the seventh prince of the Western Wei Dynasty - Yuan Zhan. Encounters across time and space, fate or not, are all unknown.