In a laboratory accident, Lin Zhou, a top materials and mechanical engineer, traveled to a wild world similar to the ancient times of the earth. There are no traces of modern civilization here. Human beings live in tribal groups, with productivity stuck in the Stone Age and relying on hunting and gathering for a living. The world is full of unknowns and dangers. There are not only ferocious beasts, but also conflicts between different tribes. There are even some mysterious powers and strange creatures that are beyond modern understanding.
