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.
A reporter and the producer of "Horror Hotline", a popular radio call-in show, investigate a caller's tale about a terrifying mutant infant that caused several deaths in the 1960s and seems to be making people disappear today.