YEE persuades the murderer to repent and start anew but the murderer says that he kills for justice. YAN and BUN look over those snatches, YAN points out that the murderer has an obsessive-compulsive disorder. From the scene where KAU is killed, they find a wedding ring left by the murderer. They find out the murderer is LAM WAI SUN. He wants revenge for his dead wife CHAN MAN LING and killed KAU and TING. The surmise of his next target will be the magistrate. SUN is arrested but refuses to tell the whereabouts of YEE. YAN points out that LING is worth respected since she sacrificed herself for saving others. SUN is touched and willing to tell the location of YEE. In the hospital, YEE has gone into in a coma for two days. YAN convinces her to resign and YEE agrees to consider. CHUN is sad knowing that PIK is getting married. SUM questions CHUN closely if he loves PIK……