Overview: It is certain that CHEUNG is a critical person in the case. MING refuses to use the relationship between YAN and CHEUNG to get more information but YAN ignores MING's instruction and investigates the case. At last her presence in CHEUNG's office is recorded by CHEUNG's video recorder when she tries to check CHEUNG's computer. HIN is the next target. Three killers attack him and HIN is shot. He is seriously hurt. CHEUNG reports to the ICAC that YAN has blackmailed him. He gave CHUNG the money as instructed by her. He even opens a savings account for her in the bank in which he deposits a lot of money. He even informs the mass media.