Overview: CHAN KIN returns home and is attacked by three masked men. In order to protect himself, CHAN KIN asks HO KWAI and the others to protect him. HEUNG WING knows that BING-LUNG wants to kill him and he tries to slow down the drug-making process. In order to find out the whereabouts of the black money from drug trafficking, WING-TUNG from the Financial Investigation Unit opens an account in the securities company by pretending to be a rich woman Mrs CHIN. WING-TUNG asks SAI-LOK to monitor TSU WING-MAU closely and SAI-LOK discovers that WING-TUNG and HEI-SUEN are cousins. After meeting with HEUNG WING, the big boss asks BING-LUNG to kill HEUNG WING afterwards. After finishing BING-LUNG’s case, HOK-LAI is transferred to the Narcotics Bureau and he becomes HEUNG WING’s team leader. The police discover that the South America drug dealers are trading with Hong Kong’s drug dealers……