Qin Nan, a college student, accidentally came across a mobile video of "Biology Professor He Lixin, about a biology press conference". After watching it, Qin Nan was not happy. It turned out that He Lixin was his grandfather Qin Peng, who was twenty years oldFormer exploration partner, now He Lixin is a leader in the domestic geological and biological exploration industry. But his grandfather Qin Peng went missing twenty years ago. Qin Nan and his girlfriend Wang Yingying went to find He Lixin, but He Lixin didn'tTell them the truth. So Qin Nan decided to explore the Qinling Mountains with his girlfriend Wang Yingying and three classmates to investigate this matter. During their trip, they camped in the mountains at night. Unexpectedly, in the middle of the night, Song Chen's girlfriend Wang XiaoA mysterious rendezvous with the wealthy second-generation Liu Zhe. After a late night rendezvous, Wang Xiaoqing collided with a mysterious creature. Everyone was awakened by Wang Xiaoqing's screams, and everyone condemned her for being a monkey in the mountains.Wang Xiaoqing, who has always been calm, suddenly burst into tears, shouting that he had really seen a wild man.