A meteorite with a diameter of ten kilometers hits the blue star. Can human beings' desperate interception save their own destiny? The dust raised by the impact covers the sky and plunges the world into an extremely cold night that will last for hundreds of years. Lacking the sunshine, he fell into the extreme cold of tens of degrees below zero. In such a doomsday, there is only one shelter dug by himself and the upgrade system he picked up. How should Chen Xin survive the crisis of the doomsday and make himself alive? Come down? Can human civilization continue, and can the fire of hope illuminate this cold night and bring warmth to mankind? Destiny has given the test questions, can human beings hand in a different answer from the dinosaurs that were extinct back then? The background of this book It is set to refer to the content of the 58th and 59th issues of Qianben Science Fiction, the UP main ghost principal of station B, hereby declare.