In August 2025, a rain of blood suddenly fell and enveloped the earth, and Leilei strayed into the world of strange rules. From his first encounter with a strange child in the dormitory, to dangerous scenes such as the subway, library, and doomsday bus, he teamed up with Su Mo, who was carrying Gatling, to follow the rules, resist weirdness, and give it a try on the edge of life and death, vowing to crush the conspiracy and find a way to survive in the world of ghost stories.