Writer Qin Tao joined an expedition team and accidentally stepped into a mysterious cave deep in the Qinling Mountains. Since then, he has been involved in a strange whirlpool that spans thousands of years. The mysterious disappearance of companions, the alien totems hidden in the ancient scrolls, the strange creatures in the underground labyrinth, and all kinds of strange things all tell the story of the unusualness of this mountain range. When he thought he was close to the truth, he discovered that all the clues pointed to an even more terrifying fact - the so-called "visitors from extraterrestrials" turned out to be... Every time he gets closer to the truth, there is a more deadly crisis. This adventure that started out of curiosity eventually pushes Qin Tao into the abyss that subverts his cognition.
