Brush Up My Sisters

Three pampered girls get themselves enrolled at the Police Training Academy for different purposes. Ying-ying wants to have closer contacts with a young cop she has a crush on; Lin wants to gain access to guns to kill the murderer of her sister; Kammy the paparrazzo wants to write up a "Lesbian Scandal in Police Training Academy". One day, Ying-ying has some robbed diamonds in her hands but she is unaware of it. Troubles are coming to her... (Source: hkcinemagic.com)