In 2008, the Wenchuan earthquake tore apart the earth, and female teacher Tangli fell into the abyss.
When I woke up, I found myself in an upside-down world, with the glowing seabed above my head and solid dark clouds beneath my feet.
The strange beasts in "The Classic of Mountains and Seas" are real here, and she is not the only one to fall.
The Tangshan miners in 1976, the Haiyuan Taoist priests in 1920, and the lost people from different eras formed a survival team.
They must travel through this reverse world where light no longer exists, and survive in the venom of Xiang Liu and the gaze of Zhulong.
Tangli gradually discovered that the strange rules of the abyss were closely related to the energy of earthquakes.
And the only way back is hidden deep in the most dangerous alien beast's lair...
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