In the middle of the 22nd century, the Blue Star world experienced the baptism of the "Great Collapse". Environmental degradation, old wars and out-of-control biochemical technology have jointly created a planet full of dangers. The city turned into a huge three-dimensional ruin, and mutated creatures nested in the shadows. In order to survive in the harsh new world, human beings embarked on three completely different evolutionary paths, which not only changed their bodies, but also profoundly reshaped their souls and humanity, forming an insurmountable class gap. The light walker Yingnan joins hands with the reformer Ella to try to change the world.
