The nuclear bomb key was hot in Jiang Ye's palm, and the last three dungeons in the world collapsed during the countdown. He is the outcast "Keyman" who is the only one who can initiate destruction or rebirth. Chu Jin, the former commander who personally sent him to the laboratory, now leads the rebels to fight through the ice field, just to regain the metal key that can end mankind. When the radiation wind swept up the bloody setting sun, Jiang Ye held it tightly in front of thousands of people and spoke the truth that silenced the world: What you are afraid of is not the doomsday, but your living self.