A cop and his son move into a worn-down apartment building. The boy is first menaced by a neighbor girl and then goes missing. The father tries to look for him by knocking on the neighbor girl's door but finds that no girl lives there.
Leon Lai Ming
as Yu Fai
曾志偉
as Chan Kwok-wai
Eugenia Yuen Lai-Kai
as Hai'er
Ting-Fung Li
as Cheung
Lau Tsz-Wing
as Yu's daughter
John Shum Kin-Fun
as Photographer
Camy Ting
as Pathologist
Tak-Ming Ting
as Janitor
Heng Wong
as Doctor
