The apocalypse of global catastrophe has arrived, with disaster after disaster descending upon the world.
The first calamity: a furnace inferno. Global temperatures soared, with outdoor temperatures exceeding 50 degrees Celsius across most of the world and reaching over 70 degrees in some areas.
The second calamity: most man-made devices around the world malfunctioned, a zombie virus struck, and zombies began appearing everywhere.
The third calamity: torrential rains and rising sea levels submerged the world, while the zombie virus spread on a massive scale.
The fourth calamity: temperatures plunged, falling below minus 30 degrees Celsius worldwide and dropping below minus 50 in some areas. The entire world froze over.
The fifth calamity: ...
Zhang Yang returns from the time of the fourth calamity to three months before the apocalypse begins. Drawing on his knowledge of the disasters to come, he leads his family through the wasteland, struggling to survive.
