The educated urban youth, led by Hu Ba Yi, went and worked in the countryside of Northeast China. To rescue the sick villager——Hua Mei, they, together with the hunter, Uncle Zhao, went to Forest and Snow Bear Cave to collect antidote. However, they were suddenly attacked by a bear, so they had to flee into the underground Weasel Mansion. They witnessed strange things and illusions happen there. (Source: iQiyi) ~~ Adapted from the 5th volume in the novel series "Candle in the Tomb" (鬼吹灯) by Zhang Mu Ye (天下霸唱).