Chau Ying Ki drives his car at high speed and it causes a collision with a school bus. Some children are seriously injured. Sun Ma Chai tries to arrest Ying Ki but he bribes one of his subordinates-to admit the guilt on behalf of him. Sun Ma Chai is angry. Ying Ki courts with Tze Wai but Tze Wai rejects him. When Sun Chai knows that, he looks upon Ying Ki as his irreconcilable enemy. One day, when Sun Ma Chai is patrolling, he finds that Chau Ying Ki’s car exceeds the speed limit. They have conflicts and Sun Ma Chai pushes Ying Ki and he falls down. Ying Ki makes use of his injury to sue Sun Ma Chai for he has abused his power to use force. Sun Ma Chai suffers suspension from office. In order to make Tze Wai his mistress, Ying Ki orders Sze Yeh Kau to abduct Tze Wai and take photographs when she is nude. Luckily, Sun Ma Chai and Kam Fai duly save her. Sze Yeh Kau has to flee away and he blackmails Ying Ki……
