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……