Inspector James Wong, a family guy cop, goes deep into a case and gets involved with a deranged killer. His partner and friend, Inspector Steve Chan, long with a new protégé Porky take over the case and look for Inspector Wong who's "enjoying" the twisted company of the killer. Can Inspector Chan and Porky find Inspector Wong before he becomes the latest victim of the psychotic killer?
Unfortunately the movie Night Caller is not yet available on HBO Max.
| Production | John Shum Kin-Fun | Executive Producer |
| Production | Melvin Wong Gam-Sam | Producer |
| Production | Simon Yip | Production Manager |
| Editing | Peter Cheung Yiu-Chung | Editor |
| Writing | Philip Chan Yan-Kin | Screenplay |
| Directing | Philip Chan Yan-Kin | Director |
| Art | Robert Loh | Production Design |
| Camera | David Choi Wa-Sing | Director of Photography |
| Production | Peter Yung Wai-Chuen | Production Consultant |
| Crew | Ricky Lau | Cinematography |
