abstractSynopsis:
The story began with a group of white-collar workers who worked for extra hours. Reluctant to be exploited, they argued with each other, shaming and scolding each other. Upon leaving, they found security guard No disappears. All locked in the building, out of boredom they started to tell ghost stories and "explore" different departments of the company, trying to find their secrets. Accidentally, they found a dead body. An exciting suspense story thus began.