Liu and Keung are competent constables and good partners. But Keung is fired just because of a minor mistake. Gradually falling into a financial crisis, Keung is forced to commit crimes. Liu wants to help but he himself is trapped and has to face internal investigations. As his young brother Raymond is assigned to arrest Keung's gang, Liu is put in a dilemma. Finally, Keung promises Liu he'll give himself up. But the gang won't let them stay alive for long.

Billionaire Law and his accomplices are conspiring the murder of a judge. The conspiracy is overheard by a inspector from ICAC who records the meeting on a cassette tape. Billionaire Law is determined to pin him down. Before he dies, he hides the tape in a reporter Mel's car. A young man, Law Kim Long, smuggles into Hong Kong to look for his father. The Snake-head is mistaken him to be Billionaire Law's son, so he makes him groomed.

Buddies Yam, Sunny and Ah Hing have all been dismissed. creating havoc in their jobs. The trio is employed by a noodle factory, which has a very poor labour relationship. The superiors are always harassing their subordinates, so the workers take an united front to oppose their superiors.

Sally Yeh is a socialite who accidentally stows away on board "Cupid One", a small boat making a ten day trip to Thailand. Mark Cheng (in his first leading role) is the rude captain who thinks she is a cheap hooker.