Three years ago, the "Red Fog Catastrophe" swept the world. "Bone-eroding alien species" born in the fog devoured lives, and humans established survivor bases in the ruins. Lu Chen, who used to be a mechanical maintenance worker, was on the verge of death in a alien attack and unexpectedly awakened the evolutionary power of "Bone Blade" - he could turn bones into sharp weapons, but he had to endure the pain of bone erosion. During his escape, he met Su Ye, who could communicate with mutated plants, and the two teamed up to go to the legendary "Purification Core" base, where it was said that the method to dispel the red mist was hidden. Along the way, they not only have to avoid being hunted by predatory alien species, but also beware of the "Black Scorpion Group" that plunders resources. They also discover that the evolution of human beings actually hides the same dark secret as the origin of alien species...
