CHUNG SHUN and CHUNG YI are members of the Big Circle Gang. They work with MING to deal with KIN NAM. In chaos, they kill a drunken man. NGOR is WONG’s secretary. She takes care of everyone in the police station. YUEN and FAT see the corpse of the drunken man when they are on patrol. SAN checks the body and identifies the type of the gun used to kill the man. YUEN likes her job but her family worry much about her. YUEN suspects CHUNG SHUN and CHUNG YI. She checks their identity cards. They run away and they have a gun fight in the market. YUEN has to be investigated. She meets CHING FUNG. FUNG lays a trap to arrest CHUNG SHUN and CHUNG YI. However, his plan is spoiled by YUEN who comes to arrest them. They have a gun fight again.

YUEN shoots at CHUNG YI and hurts him. CHUNG SHUN has to leave CHUNG YI and escapes alone. YUEN has to be transferred to clerical work and to be further counseled. She works with NGOR and they become friends. WING CHOI goes to Beijing for business. NGOR cannot do the housework properly. In a bus NGOR and SAN take the others’ bags by mistake. Though they can get their own bag back they have left a bad impression to each other. As there is an electricity failure in her house, NGOR brings KA LOK to WONG’s house to look for temporary accommodation. At last both CHUNG SHUN and CHUNG YI are arrested as CHUNG SHUN goes back to see CHUNG YI. In the police station, WONG falls onto the floor and by mistake hugs NGOR. Mrs. WONG sees the scene.

The scandal spreads and to prove that he is innocent, WONG transfers NGOR to have patrol. NGOR is angry. In the press conference, YUEN is praised and she is transferred to the team fighting filthy business. A journalist comes to interview YI MUI. YI MUI has no choice but claims that she supports YUEN to be a policewoman. SAN claims that he does not want to attend the wedding banquet of his former classmates, in fact he wants to go to it. At last he goes there and meets his former girlfriend JUNE, who is also going to get married. He feels lonely as he still has not found his lover. In the team, YUEN meets FUNG again and she is so nervous that she cannot do her work properly. NGOR and her family go to ocean pan to spend a holiday. There she receives the call from CHOPs mistress.

NGOR jokes that CHOI’s mistress is looking for him. CHOI is shocked. YI MUI arranges SAN to meet Miss LI. SAN parks his car. NGOR thinks that SAN and LI are doing something filthy and she goes to warn him. They have an argument. Without locking his car with the hand brake, SAN ’s ear slides downslope and collides into a lamp post. FUNG and his colleagues go to arrest some prostitutes. SIM and KUI manage to escape. YUEN and a prostitute falls down. CHOI misses NGOR and LOK as he has to go to mainland China again. NGOR is transferred to a new team and her performance is appreciated. CHOI returns and tells NGOR that he will divorce her.

NGOR is depressed. With YUEN’s encouragement, NGOR goes to Shengzhen to question CHOI. She learns that he has a mistress. In an action, YUEN tries to arrest a male criminal but she is stopped by FUNG. She challenges FUNG and states that he is a chauvinist. LOK runs away from home to find CHOI. NGOR feels hurt. FUNG’s parents CHUNG and MUI want their son to visit them more. They rent the flat close to their house to FUNG’s girlfriend CRYSTAL. KUI smuggles some illegal immigrants to work in his brothels. WA and TING argue and TING attempts to avenge the humiliation.