WAI s always very superstitious. He gets to know from a Chinese almanac that it is a black day, he does really meet misfortunes. He is greatly threatened psychologically. During WAI's girlfriend's birthday, he has arranged some programs to celebrate. Unexpectedly, he receives a call from a police officer, ROBERT LO, who wants him to be on duty to look over an international criminal association. WAI is asked to collect the evidence of the crime in counterfeiting paper-note. WAI is very excited about this case. WAI is arranged to cooperate with a partner, HO FAI FAN, by ROBERT LO. WAI sees that he is not so smart in appearance. Moreover, he looks very doltish and simple. WAI thinks that he is not smart enough to be his partner. Therefore, he is not nice to him at all. WAI orders FAN to give him a cup of tea. FAN carelessly pour some tea on WAI'S trousers. WAI insists FAN to take his trousers to a laundry house to wash……

WAI's girlfriend gets WAI into trouble. His domicile has even been blocked up. Fortunately, FAN lets him stay in his house temporarily. Friendship thus develops between the two. ROBERT receives the news that the suspect has suddenly died. He orders WAI and Fan to stop investigating the case and sends them to follow other cases. KIT is a famous movie star with stable performance in the movie. However, he never tastes the feeling of being the King of the movie. When he is assigned to act as .a police, he decided to experience the life of a real policeman so as to have a better performance. KIT is arranged to know .WAI and FAN. He immediately follows them to investigate the cases and makes a lot of funs. FAN and WAI feel KIT very annoying. ‧ KIT is very proud of himself. WAI and KIT feel that he is quite arrogant. They play trick on him. However, KIT is not angry at all. He feels that they are very shrewd instead……

KIT's attitude is very sincere. WAI and FAN are greatly affected with his sincerity. The three eventually become good friends. LUI MUM LA returns to Hong Kong from Taiwan. She meets the new residence, Billy. She mistakenly suspect that WAI and BILLY are homosexual and is very surprised. With BILLY's instruction, LA goes to FAN's home. FAN thinks that LA is WAI's ex-girlfriend. He then plays trick on her for the sake of WAI. He beats her to be fainted and locks her in a .ref use room. When LA awakes, she cannot accept the fact that WAI is homosex?ual. She throws things to release her anger. She carelessly hurts PAI YUK TONG who stands in front of the door. LA has no where to go and has to live in FAN's house. She sees FAN frequently. In fact, they are friendly opponents. WAI and FAN starts their 'Eagle Action'. They are ordered to look over the financial director of the KIM's Investment Group, TAM SIU FUNG……

KEUNG losses seriously and sends a killer to kill FUNG. FUNG is shrewd enough to escape, He could even control the criminal group. FUNG gets to know KIT when he is being assassinated by the killer. He takes the opportunity to hide in KIT's home. .They are very friendly to each other at the first meeting and become very good friends. When KIT has known FUNG's identity. He devises to force FUNG telling him the details of the criminal affairs. FUNG keeps it a secret and never mention it. KIT even tries to lock .him up but in vain. Later, FUNG is beaten and fainted. KIT cannot manage the situation and calls WAI and FAN to help him. When they arrive, they have found out that FUNG has fled away. They search him immediately. In order to avoid KEUNG's subordinate following him, FUNG asks WAI and FAN to protect him when he meets them in the street. When LA was in Taiwan, she is bothered by an infatuated man, KWONG CHEONG……

SIU KIU comes back to Hong‧ Kong from overseas. She cooperates with KEUNG to play trick 'on KIT. KIT follows KIU arduously. She thinks that KIT is a satyr and KIT has left a bad impression in her mind. KIU attends the anniversary of the KIM's investment group. Madam KIM introduces. KIT to KIU formally. KIU thinks that KIT is a rascal and always teases him. KIT feels very embarrassed. Originally, Madam KIM has invited.KIT to be the guest to confer the price for the lucky draw. Unexpectedly, KIT has to look over KEUNG and LOBSTER. Therefore, he disappears at a moment's notice. Madam KIM is very angry. KEUNG and LOBSTER receive a call from the overseas clients and is being informed that they have to hand over the black money as soon as possible. They are very anxious about that. When WAI and FAN are involving ‧in investigating KIM's group fervently, they discovers that PAI YIK TONG has also involved in it……