Synopsis: One late night in 1995, in a mysterious area, two expedition team members were running wild in the forest. At this time, a huge "water monster" appeared behind them. During the escape process, the life and death of the two were unknown... The time has come to 2019 In order to find out the truth of his father's disappearance 24 years ago, the protagonist Zhong Xiao contacted his father's former colleague Yang Zhendong, his girlfriend Yihan, his friend Dazhuang and other people to go to Tianchi in Changbai Mountain, according to the clues left in his father's diary "The Theory of the Dark River". into that mysterious unknown territory. In the process of fighting against the giant man-eating worms and blood-sucking ticks, all kinds of doubts surfaced until they escaped all dangers and came to the deepest part of the cave. The group finally found the "water monster egg", which had been concealed for 24 years. will be revealed...
