Core event: The "Ice Corpse" of the virus breaks out, and the infected mutate into "frozen corpses" whose body temperatures drop sharply and are addicted to eating living animals. The global order collapses within 72 hours. The protagonist Lu Chen (26 years old, a newly unemployed mechanical maintenance worker) was taking care of his feverish mother in the city's No. 3 Hospital. He witnessed his mother's mutation, and in desperation was scratched by the gold earrings his mother was wearing, activating the "Red Alert Summoning System."
