Spiritual energy revived, and supernatural crimes surged. The mysterious department "Zero Bureau" where Lu Xun works is dedicated to handling abnormal events that cannot be dealt with by regular police forces. His job is: to issue no-entry orders to nightmares, to popularize the "Modern Citizen Code of Conduct" for millennium zombies, and to use scientific formulas to analyze mythological formations. Until a series of "weird rules" cases led him to the truth: all abnormalities are man-made.