The story begins with the outbreak of the global "strange fog" phenomenon, and Shen Yuan's sister Shen Wei disappears in the fog. In order to find the truth, Shen Yuan took the initiative to enter the world of "weird dungeons". With his absolute rationality and psychological profiling ability that lost his sense of fear due to a childhood accident, he gained insights into human nature, cracked rules, exploited loopholes, and gradually uncovered the conspiracy behind the "system" in the terrifying dungeon full of rules.
