HOI-LONG is upset that the three guys are trying to leave at 5pm. The three guys have no choice but to work overtime by setting up some protective devices. CHARLIE and HEI-WO believe that everybody will leave since they are scared of the ghost. However, they discover that the three guys are still working there. CHARLIE tries to switch on his remote sound and lighting system. He creates flickering lights and plays the sound effect of a female ghost. HOI-LONG comes out to investigate it and he is injured by the protective devices of the three guys. SHUK-MUI brings HOI-LONG home and takes good care of him. KEUNG YUNG is upset. Everybody says that HOI-LONG has met a ghost while working overtime at night. They are very scared and they suggest to leave office 15 minutes earlier. A white-haired guy suddenly arrives to deliver takeaway food. He checks out the office and he seems to discover something.… ...