200 years after the world's nuclear peace, Chen Qiao woke up from the cloning tank, and found himself in a post-nuclear fire base, and he was just a clone. This is a post-disaster era, and it is also a new era. Legends, ancient times When there is sufficient oxygen, a dragonfly can be as big as an ostrich, a cockroach can be as big as a face, and an ant can be bigger than a fist. As for the mouse, it is even more scary. After the concentration increases and the radiation becomes huge. Can the human beings who return to the ground live on safely?