As Kam Fai wants to buy a taxi within the shortest time, he always takes the risk of violating traffic ordinance to pick passengers. Thus, he is, charged by Ngan Ken Shai. Kam Fai is discontented with Ngan Ken Shai and he vents his anger on Sun Ma Chai. Sun Ma Chai is torn in between them.

Once, Kam Fai suffers from diarrhea and he parks his car beyond the parking area. Ngan Ken Shai gives him a ticket. Kam Fai is angry and he makes a complaint to the police department concerned. Ngan Ken Shai is blamed by Sir Choi.

Kam Fai is convinced by Tze Wai and he decides to follow the traffic ordinance when he is driving. However, he is still charged by Ngan Ken Shai because he dressed himself indecently. Kam Fai can hardly stand it and he goes together with his colleagues to go strike and make protest outside the police station...