During the Daye years, undercurrents surged in the world. Du Feihua, a grassroots young man, accidentally obtained a mysterious token and was involved in a conspiracy concerning the fate of his family and country. Accompanied by Qin Ruoxue, a wealthy man disguised as a man, the foul-mouthed but loyal Tang scholar, and the mysterious knight Hua Wuyan, Du Feihua grew from a gangster in the market to a world-famous legend. The four people have gone through the test of life and death, laughing and cursing, stumbling and turning around in the whirlpool of power intrigue, struggle for hegemony, and personal love and hatred. In the end, everyone worked together to uncover the conspiracy of the treacherous officials and the rebellious party, protected the peace of the people, and each gained growth, true love and the meaning of life. The book has a tight rhythm and strict structure. Each volume advances independently and is interrelated. It makes people laugh and cry, and the style is humorous and popular.