Taiwan ( 2002)
(Horror|Mystery|Thriller)
when a serial killer--whose trademark is leaving a hallucinogenic black fungus on the brain of his victims begins on their rampage.
The FBI sends in American agent Kevin Richter, Huang is assigned to aid Richter, and as the two work together, they discover that the murders mimic the killings of an ancient, mystic cult and that there could possibly be supernatural forces at work.