Located in a building in the downtown area of a bustling city, Xiao Bao (Lin Jiadong) and Luo Kun (Fang Lishen), who work as security guards, stare at the surveillance video boredly, peeping at the various activities of young men and women. Mr. Bai (Tse Kwan-ho)'s car control failed, and Xiao Bao and Luo Kun came to help. Afterwards, Xiao Bao threw the wooden sign in front of a parking space into the trash can. Unexpectedly, he heard a terrible urban legend from Luo Kun soon. It is said that two groups of people died in a brutal accident around the parking space. After that, the parking space and the wooden sign that read "Corpse Parking Space" became a terrifying existence. Not long after, Xiao Bao died in a terrorist incident, and Luo Kun and Lisha (Yoon So-yi), who worked in a company in the building, were trapped in a mysterious and supernatural nightmare and could not escape...