Police on the Road

Sun Ma Chai witnesses, a robbery while he is taking his driving test for traffic warden. He helps Siu Fei Hop to catch the robber. As Sun Ma Chai passed the test, he is sent to Kowloon Headquarters and he is assigned to work in Sir Choi’s unit. Siu Fei Hop, Tai Sze Hing, Chu Chai Chain and gan Ken Thai are his colleagues. Sun Ma Chai carries out patrol with Ngan Ken Shai. In order to get promotion, Ngan Ken Shai sends out tickets relentlessly and he pays no attention to the actual situation. When he is charging Cheung Kam Fai, he quarrels with Tze Wai. Sun Ma Chai acts as the mediator and personally, he does not appreciate Ngan Ken Shai's attitude. Tze Wai criticizes Ngan Ken Shai's misbehavior in the newspaper. Ngan Ken Shai is blamed by Sir Choi. Ngan Ken Shai is displeased as Sun Ma Chai has refused to speak for him. While Kam Fai is on the way to pick Tze Wai up, he is robbed by a strange man……

Chan Lung Fu has committed crimes in Taiwan and he sneaks back to Hong Kong. He earns his living by illegal car racing while his girl friend Pinky is always on his car during the race. They lead a life as fugitives. At the blockade set for police inspection, Sun Ma Chai meets Pinky again. Years ago; Sun-Ma Chai arrested Pinky and sent her mother to home for aged people. Pinky has a good will towards Sun Ma Chai. Lung Fu competes with Happy Boy and it leads to an accident. Happy Boy's car falls down from the cliff and he dies. Sun Ma Chai chases after Fu's car and the police make use of Sze Wai’s car to block Fu's car. Lung Fu jumps out of his car and flees away. Pinky sustains serious injury Sun Ma Chai persuades Pinky t-o tell-t-he truth but Pinky rejects him. Tze Wai helps Sun Ma Chai to persuade Pinky but her attempt is futile……

Rocky drives Chau Ying Ki’s coupe at high speed and he does not stop at the traffic light. He knocks down Aunt Ming and Ming Chai who are crossing the road. Uncle Wong, who sells newspaper, witnesses the whole incident. However, he refuses to tell the truth when Sun Ma Chai asks him the details of the accident. Tze Wai cannot let Aunt Ming and Ming Chai suffer innocently. Thus, she helps Sun Ma Chai to question Uncle Wong. Finally, they find that the coupe is owned by Chau Ying Ki. Sun Ma Chai rushes to Chau’s villa to investigate the case. However, Ying Ki has hidden all the evidence in advance. Sun Ma Chai’s investigation is in vain. Aunt Ming finally dies. Her mother is in anguish and she goes to ask Ying Ki for compensation. Tze Wai follows her and calms her down,. Ying Ki is attracted by Tze Wai’s beauty. Ying Ki courts with-Tze Wai but she refuses him. Later, she wants to get close to him in order to investigate the case……

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...

While Siu Fei Hop is patrolling, he meets Angel, a charming girl who drives a beautiful red coupe, from time to time. Angel's character is open and carefree. Siu Fei Hop is attracted. On Sun Ma Chai’s birthday, they go to a karaoke to have celebration. Siu Fei Hop meets Angel by chance there. They become friends and start dating. Sometimes, Angel's attitude towards Siu Fei Hop is passionate but sometimes, she is indifferent. Siu Fei Hop finds it difficult to deal with her. He asks Angel for the reason and her explanation is that her behavior is caused 'by the lack of her father's love. Siu Fei Hop sympathizes her and he takes good care of her. As a result, they have sexual relationship In fact, Anger- is -the mistress of rich- merchant Ben. She dates with Siu Fei Hop as a means to relax herself. However, Siu Fei Hop is serious and he wants to get married with Angel……

When Tai Sze Hing is chasing after a truck which is involved in smuggling diesel, he has conflict with Kam Fai. Kam Fai makes a complaint. The case is handled by Jacky. When Tai Sze Hing meets Jacky, he is attracted by Jacky’s fairy like appearance.He decides to court with her. Jacky lives with her elder brother, Ah Man. Ah Man are a truck driver. In order to earn more money, he always smuggles diesel into Hong Kong and sells it to the taxi-driver. One of Kam Fai’s counter-parts uses the smuggled diesel and he saves a lot of money. When Kam Fai learns that, he wants to have a try, too. Jacky invites Tai Sze Hing to go to her home. Ah Man suspects that he is trying to get evidence from him. The gathering ends in misunderstanding and anguish. Kam Fai is arrested as he is found to use smuggled diesel. Sun Ma Chai handles the whole case strictly. Ah Man smuggles diesel into Hong Kong again. Tai Sze Hing finds him and chases after him……