Chen Mo (32 years old, former field force scout, retired and became a senior outdoor survival expert and a patient with post-traumatic stress disorder. He felt alienated from the hustle and bustle of modern society) When leading an expedition team deep into an uninhabited land, Chen Mo ventured alone through an unknown fissure canyon in order to rescue the trapped team members. At the bottom of the valley, he encountered a strong geomagnetic storm and unexplained space distortion. After regaining consciousness, he found himself in an unknown world where civilization had completely disappeared and the environment was extremely harsh. A world that has experienced some kind of ultimate disaster (suspected nuclear war, biological and chemical leakage, extraterrestrial attack, or a combination of multiple factors). Traces of civilization have been almost completely erased
