DIK FAI receives information stating that some illegal immigrants will come to Hong Kong to convent robbery. Troops are sent to search for them but nothing is being found. His boss WONG scolds him.

LAU KING SING is transferred to clerical work as he hurt himself when he was trying to catch a thief. He wants to be the pioneer to fight against crime thus he hopes that he can recover soon.

As the crime rate climbs high, the government decides to have those doing clerical work to be on duty. SING is excited to hear the news. His mother SAU LAN opposes. They quarrel and SING does not listen to her.

CHEUNG SAI KIT goes to work as a solicitor. He is a green hand but he earns fame as he uses dirty tricks which make him winning a trial.

KIT thinks that he is handsome. When he meets his former girlfriend CHI KWAN, he bets with the others that he can kiss her. In return, he is slapped by KWAN who is angry……