A swarm of alien meteorites carrying "ice spores" fell into the atmosphere, and within 48 hours the world dropped to -100°C
- Liquid nitrogen rain froze the ocean, super glaciers swallowed up cities, and 99% of the population died instantly
- Extreme cold activates ancient human genes: 0.1% Of survivors develop "thermal powers" (body temperature rises instead of falling)
Ling Yan, a firefighter, unfortunately died trying to save a little girl, and awakened his superpowers just before he could survive.
