An asteroid swarm from outer space, carrying “frost spores,” enters the atmosphere. Within 48 hours, the global temperature plunges to -100°C.
- Rains of liquid nitrogen freeze the oceans, colossal glaciers devour cities, and 99% of the population dies instantly.
- The extreme cold activates humanity's ancient genes: 0.1% of survivors develop “heat abilities,” causing their body temperature to rise instead of fall.
Ling Yan, a firefighter, dies while trying to save a little girl. His ability awakens in the last moment before his life ends.