Overview: PAT-SHUI is scheduled to work night shift together with CHI-MING, which makes him feel very nervous for fear of making a mistake. Later on in the corridor, PAT-SHUI bumps into a kid, who immediately disappears without a trace. Thinking it's a ghost, PAT-SHUI is so scared that he falls ill. Music industry newbie CHI-LUNG passes out during rehearsal, so he is accompanied by his agent to the hospital for a checkup. While there, CHI-LUNG learns about the ghost encounter and becomes so panicked that he wants to be transferred to a private hospital, but his agent reminds him that he can't afford it. In the meantime, an ambulance transports a grandpa, surnamed LO, together with his grandson to the hospital, and the grandpa is so agitated by his grandson LO CHING's attempt suicide that he even passes out right in A&E. Working the night shift, KI LOK notices some stains in the corridor which seems to be the deeds by mischievous kids.… ...