In the future world, a sudden global disaster breaks the peace of human society. A mysterious meteorite hits the earth, triggering a series of chain reactions that lead to drastic changes in the earth's climate and the collapse of the ecosystem. Extreme weather occurs frequently, and natural disasters such as floods, earthquakes, and volcanic eruptions wreak havoc, and human civilization suffers heavy losses. At the same time, an unknown virus spreads rapidly around the world. Humans infected with the virus gradually lose consciousness and turn into zombies that have no reason and only know how to attack instinctively. The world has fallen into the abyss of doomsday, and mankind is facing an unprecedented existential crisis.
