How do you explain the unexplainable? A wealthy Taiwanese businessman is discovered frozen to death at the desk of his penthouse office. A government official?s beautiful mistress has been burned beyond recognition though there are no signs of fire anywhere in her home. A foreign priest is found disemboweled in bed with no visible traces of struggle. To help solve these grisly, supernatural crimes, the Taiwanese government is forced to enlist the services of a top American FBI agent (David Morse, 'The Green Mile') trained in tracking down even the most elusive serial killers. After teaming up with a troubled local cop (Tony Leung, 'The Lover'), the two men follow a series of bizarre and unnerving clues into Taiwan?s darkest, most mysterious realms ? which lead them to an ancient religious cult searching for immortality ? in this suspense-packed psychological thriller.