It tells the story of Liu Yi, a 12-year-old heroic boy who reincarnated from Wenchang star. He punishes evil and promotes good in Weizhou. He meets like-minded friends, an amnestic Chiniang and a powerful tiger girl. The three work together to fight against monsters and protect Weizhou City. After an adventure, Chiniang retrieved her memory. It turned out that she was the princess of the North Sea Dragon King. Liu Yi wrote that the North Sea Dragon King sent troops to crusade against the plot of Jinghe Dragon King Erlongzi-Chi Lang. In the end, the righteous side won and protected the people of one side.