An unprecedented extreme-heat apocalypse strikes the world. The scorching sun burns cities to the ground, water and electricity supplies fail, and the world becomes a living hell! Lu Chen is reborn with his spatial ability and a 72-hour countdown to doomsday. He frantically stockpiles ice and supplies. Coldly cutting ties with his hypocritical teammates, he assembles a team of elite survivors and digs deep underground to build a temperature-controlled ice city. Using his knowledge of the future to survive desperate situations, he clashes head-on with ruthless predatory forces and exposes the dark truth behind a conglomerate's illegal schemes to manufacture disasters. With an underground ice city, he carves out the only path to survival across the scorching wasteland and takes control of humanity's last hope!