The solar system encountered dark matter star clusters on the way, and the earth will enter the ice age. Human beings are forced to move underground, but the underground space is limited, and half of the human beings must be forced to give up their right to live. Three billion people without the right to live are desperate to die. Relying on an epoch-making black technology, a tortoise shell, Zhang Pan was born to open up the world and create a life for the desperate. On the vast ice field, under the empty ice cover, the martial arts soared! Those who lingered underground Human beings, please don’t be a coward anymore, come out and fight with Brother Pan to turn the world upside down.