Good film although very gruesome, couldn't watch some scenes. Policeman Byung-Hun Lee who is a great actor, seeks revenge on the psycho who brutally murders his fiancé. Without spoiling the plot, the moral is, revenge never eases the pain, and often turns you into the very thing you seek to avenge. Only let down was there wasn't no context to this psycho on the loose. Just seemed to randomly appear, as we never really get to know why and what started him on his murderous journey.