In the fireworks of Xi'an, the ancient capital of thirteen dynasties, there is an unknown undercurrent. Lin Mo, who was originally a top student in archeology, was forced to drop out of school due to the mysterious disappearance of his parents. He struggled to raise his younger sister Lin Luan by setting up a fortune-telling stall. By chance, he got the ancestral legendary book "Heaven's Strategies", but his business was bleak because he abided by the commandment "Don't bully others" in the book. Until the arrogant young lady Chen Ying'er broke into his life to find her missing father, and a series of stories were involved!
