While working overtime at midnight, the social animal Lin Ye accidentally broke into the "Midnight Office Building" instance and was forced to embark on an adventure of infinite corridors. From obeying weird rules and avoiding eyeless NPCs in office buildings, to deciphering the secrets of the "Paper Man Sacrifice" in the foggy ancient town, to exploring the truth of the "hub" experiment at the Time Post Office, he gradually grew from a passive survival novice to a "dungeon wall breaker" who actively fights against fate.