In the future, a mysterious meteorite falls from the heavens, bringing countless changes in its wake.
One day, Li Xian is dragged into a conspiracy. A horde of exotic beasts suddenly breaks through the walls and destroys the fortress. With their home no longer safe, people are forced to flee into the wilderness.
To survive, some choose to be reborn through machinery, while others undergo physical evolution and mutation.
But I, Li Xian, just want to be a decent human being.