The dashing knight Xiao Heiqiu and the aristocratic Bai Ruxue join hands in the world to eliminate the strong and punish the evil. On the way, they meet the peerless female devil Leng Hongshuang, and their fight involves painful memories from more than ten years ago. Where does the love and hatred between the three people come from and where does it end? What ridiculous stories will happen between Little Black Ball and Bai Ruxue on their way to justice?