The contractor provides Senior Inspector of the Electrical and Mechanical Services Department MOK YAU KUEN (Mak Cheung Ching) with the free shuttle service for work purposes. Nonetheless, the contractor’s assistant manager WONG HO NAM (Yuen Siu Cheung) constantly drives KUEN and his girlfriends around with the company vehicle and even offers KUEN every sort of luxurious entertainment he can afford. The contractor’s driver cannot endure the grueling workload and finally decides to report to ICAC. Chief Investigator CHEUNG SIR (Andy Hui) immediately sends Senior Investigator CHAN KA MING (Sammul Chan) to follow up the case. With his efforts all through the investigation, MING manages to convince Miss V (Stephanie Cheng), who spends a lot of time hanging out with KUEN, to attend a hearing as a witness…