Victim (1999)

An unemployed programmer Manson Ma is kidnapped and later found in abandoned hotel which is believed to be haunted since a gruesome murder occurred there many years ago. After his return, Manson is acting strange, as if he became different person altogether. Detective Pit Kwan who is in charge of this case is determined to find out the truth. Is Manson being possessed, or is something else lying behind his strange behavior?