Hutien and Xiaojinya decide to go on an expedition to find the tomb of the overlord who has appeared for the first time in 20 years. The night before, Hu Tian, ​​longing for Bing Lun, rejects Xiao Jin-ya's confession and arrives at the ancient cliff mansion to find the secret of the brick tomb in the coordinates. There are dead bodies full of unusual appearances, realizing that it is a dangerous ancient tomb of the Tang Dynasty, and at the same time learning the secret of what Laohu took with him...