A catastrophe called "Grey Fog" came without warning, the world order collapsed, and civilization fell into ruins. The survivors struggle to survive in the minds of twisted monsters and unpredictable people. Lin Yue, a scavenger who had been struggling in the apocalypse for ten years, was betrayed by his most trusted partner during a search for supplies and died in a wave of corpses. However, he was unexpectedly reborn and returned to the three hours before the disaster. This time, he is no longer the ordinary person who knows nothing about the future. Relying on the memories of his past life, he wants to make up for all his regrets, protect important people, and uncover the chilling truth behind the "grey fog." But as he got closer to the truth step by step, he discovered that this rebirth was not a simple comeback. A larger conspiracy was shrouding the entire world.
