Xiao Yi and Yun Jin are cousins and famous archaeological partners. Xiao Yi's girlfriend Feng Sijin accidentally discovered a "Fengya Xiaozhao" while sorting out her grandfather's belongings. It records a dynasty that has no history - the Fengya Dynasty. According to the records in the book, Xiao Yi and Yun Jin decided to look for clues about this dynasty. As a result, he accidentally fell into Fengya Dynasty. Xiao Yi became Xiao Yao, the son of Xiao He, the prime minister of the Fengya Dynasty in Chang'an. Later, the prime minister was framed and his family was destroyed. However, by chance, Xiao Yao became a disciple of Zixu Zhenren from Penglai Island and met Yun Jin. The two studied hard. Seventeen years later, they gradually descended the mountain. Xiao Yao used his sword in the world and became the famous Xiaoyao Smile Sword. Later, in order to overturn the verdict, he entered the court again. He became a famous young prime minister. He is a man of literary and military skills, full of economics and unparalleled elegance. He met Feng Sijin, who has the same name as his girlfriend and the same personality, and Huajian Ling, the national teacher who sacrificed his life to save him. Friends appeared one after another, drank and chatted, and fought side by side... Together they described the history of influential figures in the Fengya Dynasty...