Special Unit "2002" is a designated task force of SPI (Spirit & Paranormal Investigation) in the law enforcement department, ridding the human world of evil deeds of haunting spirits via an exeution team comprised of a man and a ghost. Being a psychic, TIDE (Nicholas Tse) is joined by SAM (Sam Lee) to the cause of law enforcement, but SAM's time for reincarnation is approaching. TIDE is learning that WIND (Stephen Fung), a human being with the psychic power of supernatural vision, is destined to be.....