SUN is depressed after the death of CHIU. After a postmortem examination, a lot of worms are discovered in CHIU’s body which looks really scary. SUN visits CHIU’s wife WAN and WAN describes the strange condition of CHIU before his death. SUN finds the case very suspicious. GOONG tries to borrow money from KWUN but KWUN beats him fiercely. SUN goes to the hospital to visit KAN. KAN suddenly goes mad. He jumps out of the window and is seriously injured. PONG meets with GOONG. GOONG is actually an undercover police officer. His real name is LUNG and he was appointed by CHIU to carry out investigation on KWUN. PONG asks LUNG to stop investigation but LUNG refuses. LUNG is in debt and his creditors come to damage his house. PO is very angry and asks SUN to give LUNG a lesson. KAN suddenly goes mad again. He runs to the mortuary and eventually dies……