It is not a meteorite hitting the earth, nor is it a global threat to terrorists, let alone a nuclear war. the world familiar to mankind has changed beyond recognition overnight, and no one knows what caused the failure of the global power system and destroyed all life. only a small area in Eastern Europe survived and maintained normal power operation. In the face of the disaster of destroying heaven and earth, this last bastion of hope of mankind must fight back with all its strength to prevent this catastrophe of extinction.