S4·E24 Episode 24

WING sends YUEN the tape of FUNG and her having sex. YUEN is outraged and leaves home immediately. FUNG tells SANG about WING’s blackmailing and he advises him to tell his boss PANG and KEN. KEN orders FUNG to suspend his work for internal investigation. PANG worries about HO’s safety and wants to pull him out from undercover, but KEN objects. SANG takes over the serial killing case. He suspects that the killer will visit LING again. When WAI is arrested for harassing KIT, the police suspect that he is the killer. But soon it proves that he is not. KIT pays WAI to keep him quiet about her previous marriage. SANG advises YUEN to forgive FUNG and helps him to overcome the present difficulties. HO is sorry for causing FUNG’s suspension. He is in danger as WING finds out his identity. FUNG has lost contact with him and worries that he is killed.