i be engage for the whole movie . the sense of be out in the snow and building tension and sense of dread be totally capture . the character be very well script and portray . if anything and the underlying threat could have be totally leave to the imagination without a reveal . have say that and the total impact of the movie be nevertheless not spoil . the snow scene and landscape be capture with a bleak and beautiful starkness . the action scene be do with incredible realism and not overdone . ron perlman do a great job of portray the rough and tough oil man and yet be able to shift a the plot unfold . all the actor and character be totally believable and and sustain their correct arc through the movie .