A playboy business tycoon, Liu Xuan, purchases the Green Gulf, a wildlife reserve, for a sea reclamation project, and uses sonar technology to get rid of the sea life in the area. Unknown to him, the Green Gulf is the home of merpeople, and the sonar has caused many of them to succumb to illness or die. Xuan's business ventures in the area are threatened when he crosses paths with the mermaid, Shan, who is sent to avenge her people.
A prostitute named Tong Tong enters the life of a man who runs a barbecue pork restaurant and quickly begins to ruin his life, as well as the life of his two rotund sons, and a local gangster.
2002 is a special police force that fights against supernatural phenomena. The team is formed by one human, Chiu, and a spirit, Sam. When Sam reincarnates, a human rookie policeman Fung applies for the position.
