At first, it was just that down jackets were sold out, water pipes burst due to freezing, and power was rationed throughout the city.Then, the workers who went to repair the damage died due to hypothermia, and the medical system collapsed.The cold current swept across the globe, and even the countries at the center of the equator were not spared...In just one month, the temperature plummeted by 100 degrees! The entire city turned into an ice sculpture. Before the trees could shed their leaves, they were frozen into powder.Rivers and oceans all over the world were frozen, and not a single drop of water could be found on the surface!If it were a zombie apocalypse, humans could still fight, but in the face of nature, what should humans do?This is not a movie! It's real... The extremely cold doomsday has arrived.