Hu Ba Yi, Shirley Yang and Fatty Wang discover that the rumoured life-saving "dust bead" had become a burial object in the tomb of the King Xian of the ancient Dian Kingdom and set to find the traces of the mystic object. Following a human skin map, the three pass through the secret underground waterway of the ancient Dian Kingdom under the Zhalong Mountain, but unexpected encounters and trials are waiting for them. (Source: Baidu Baike, MyDramaList) ~~ Adapted from the 3rd volume in the novel series "Candle in the Tomb" (鬼吹灯) by Zhang Mu Ye (天下霸唱).