Double Vision (2002 film)

Double Vision Chinese pinyin Shuang tong is a 2002 action horror film directed by Chen Kuofu. The plot is about an FBI agent working with a troubled Taiwanese cop to hunt for a serial killer who is embedding a mysterious black fungus in the brains of the victims. It was screened in the Un Certain Regard section at the 2002 Cannes Film Festival.

A series of bizarre deaths in Taipei baffle local investigators, including a Catholic priest of foreign nationality found disemboweled. The priest is involved in the TaiwanUS military trade, so FBI agent Kevin Richter is called in to help. Huang, who can speak English, is made his liaison. Kevin, the topmost serial killer expert in the field, was previously investigating a series of murders in US in which all victims appeared willing to die.The crime scenes imply the involvement of supernatural forces. In one case a businessman froze to death in his office in the middle of a heatwave in another the mistress of a prominent official called the fire department and was later found burned to death with no sign of a fire ever occurring in her apartment. Richter is skeptical but Huang, who is more receptive to supernatural possibilities, suggests they investigate a local cult. After consulting a scholar in Academia Sinica, Huang and Kevin find that the killings follow a Taoist belief that one must fulfill five forms of suffering required to become a Xian, an immortal being. According to legends, the one who can perform the five rituals is born with double pupils in one eye. ........

Source: Wikipedia