C.I.B. Files

Chief Inspector CHUNG CHING has just finished his undercover mission targeted at the Triad. Today, he testifies against a triad leader in the court. IVY, the girl whom he went out with when he is working as an undercover, informs him that someone from the underworld is planning to harm him. CHING leads her to the police station to reveal more about the plan. IVY is enraged. She tells everybody in the station that CHING is impotent. This is also an unlucky day for HUI SUM YIN. She has just been hunted by the Intelligence Magazine to work as an Assignment Editor. She wants to show her talent to the Chief Editor of the magazine, CHING MEI LAI, before she leaves her current company. However, her paparazzi have failed to find any new discovering after following CHING for a long time……

CHING starts working in Section B of CIB. His impotence has been covered on a magazine. His new boss, TSU WAI YAN, is displeased. His subordinates TING KA NIN and KWOK MING WAH do not get along with each other. What is more, they do no trust their CHING. YIN brings along her close subordinates to Intelligence Magazine. On the surface, she gets along well with LAI the Chief Editor but both of them are actually putting each other on their guard. LAI shows her severity by forcing YIN’s subordinates to take leave. In this way, YIN has to take up a lot of work on her own. SHUN dresses as a businessman for an investigation. In the evening, he is going to have dinner with his younger brother, CHING, and his wife, LAI. The bandit who has a gunfight with CHING on the street has escaped. CHING runs into YIN, the editor who called him "The Impotent Inspector" in her magazine.

YIN meets LAI in the shopping mall. They appear to be friendly but a war of words has actually started. While YIN’s subordinate JOEY is gathering information for her at the office, her another subordinate KEN picks up discarded notes from LAI’s rubbish bin to look for anything useful. They have both found that LAI is selling useful information of Intelligence Magazine to its competitor. However, YIN is suspicious on the findings since they come too easily. YIN is told by her informants that LAI might have an affair with their boss, CHIM YAN KEUNG. She carries out an investigation and finds that LAI might have gained her position by helping KEUNG covering his having a mistress. She tells KEUNG’s wife all about this but LAI manages to deceive KEUNG’s wife tactfully. CHING meets BONNIE, the girl whom he secretly admired in the past, at an alumni gathering and starts dating her. LAI’s mother, CHAN YUN CHI, runs a social club……

The police have come to her club, which has become the gathering hub of the Triad, to make an arrest. CHUNG KAM YUEN, father of SHUN and CHING, is also embroiled in the case. On the other hand, the leader of the gang that made a mess at CHI’s club has been kidnapped. CIB takes over the case. They find three of the chieftains of the gang suspicious. SHUN doesn’t want to see YUEN, who left the family 17 years ago suddenly. He asks LAI to pick YUEN up at the police station. CHING bumps into them. CHING drives YUEN to the pier to catch the ferry back to Macau. He is shocked to find that his father has cancer. YIN and LAI fight with each other all the time. CHING tells YIN that he has found her mother, PING, who suffers from dementia. YIN misconceives that he is working against him with LAI. SHUN needs to be operated immediately because of retinal detachment. CHING has brought YUEN home, but he doesn’t know how to tell SHUN about it.

YUEN learns by chance that SHUN is hospitalized. He visits SHUN, only to be kicked out. LAI tells SHUN that YUEN is suffering from gastric cancer. SHUN’s enmity towards YUEN is lessen. YUEN has talked with BONNIE. He then tells CHING that she is not a good woman and irks him. SHUN’s operation is successful. He is discharged. KEUNG asks LAI to take leave to take care of her husband at home. LAI doesn’t want YIN to take over her place during her leave. She plays a trick so as to put YIN in a difficult position. With CHING’s advice, the police have finally cracked the kidnapping case of the Triad head. It turns out that it is the chieftains’ plot to raise money. Unexpectedly, the case has saved YIN from her difficult situation. The sales of Intelligence Magazine have boost significantly. On the other hand, LAI’s life has become very chaotic now that she is working as well as taking care of the house……

SHUN has been discharged from hospital. Not wanting to disturb LAI from her work, he asks his good friend, Superintendent YIP YING YEUNG, to pick him up from the hospital. SHUN tells YEUNG he suspects that LAI give an excessive amount of sleeping tablets to him on purpose. On the other hand, YIN has become daring and energetic after her success in covering the Triad kidnapping case. LAI tries to weaken her power by shifting her to the team that is responsible for the Book B of the magazine. SHUN has got a new assignment. He is to investigate a cross-boundary vice syndicate and his target is MAN, an actor in the showbiz. This is his first case since his recovery. YUEN continues to pretend that he has got gastric cancer with the help of his good friend who is a doctor. CHING believes everything. He tries his best to be a filial son. SHUN bumps into MEI who is shopping and doing housework for LAI……