Qi Ye, a convenience store clerk of the mutated Feizu, is fearless of sunlight and immortal. Pressured step by step by Yan Shuang, a genius night patroller who comes to inspect, he retaliates all the way by hunting down hunters and gangsters, exposes cult scams, ultimately wins back the Feizu supreme treasure The Crimson Moon Secret Canon, builds Crimson Moon City in an illusion, and turns from sworn enemies with Yan Shuang into fake couple and real partners who stand shoulder to shoulder. In front of the truth-verifying prism, he spreads his hands: am I an anomaly? No. Who says I am a human?