Delivery boy Lin Fan accidentally acquired the "curse rebound" ability during a late-night delivery and has since become a non-staff member of the Special Incident Investigation Bureau. He seems to be unruly, but in fact, he uses reverse operations to break the curse in absurd supernatural events, and gradually discovers that all events point to a sealed ancient evil god. And his former partner Qin Mo, an elite of the Investigation Bureau, gradually turned dark due to exposure to forbidden cultural relics, and became the agent of the evil god in the world. In the end, Lin Fan must use the most unexpected way to prevent the evil god from coming without harming his old friends.
