The dragon (played by Liang Rongzhong), the roaring dog (played by He Baosheng) and the jade girl (played by Liang Xiaoice) were demoted to the mortal world for violating the heavenly rules, and they must experience all kinds of joys and sorrows in the world, do good deeds and accumulate virtue, before they can return to heaven. The dragon and the roaring dog were reincarnated and came to the home of Doctor Li, becoming Xiu Yuan and Shi Yuan, and Yu