Ever since she met BING-YAN again, CHING-YIN has been troubled by this past relationship. SUN-FUNG receives a phone call from TING-MING, telling her there is an emergency. It turns out that TING-MING has been keeping an eye on KING-WAI, whom he claims to be the corrupt cop, however, SUN-FUNG does not believe him. After learning that SIU-MEI is drunk, CHI-TING picks her up and brings her home, and she even seizes the opportunity to sneak into CHIN-CHEUNG's study room, without knowing that CHIN...