MPAA rating: PG-13; for brief strong language. When renowned director Werner Herzog and fellow filmmaker Zak Penn set off to explore the legend of Scotland's Loch Ness monster, they uncover much more than they bargained for. Unexplained sightings of the creature and chaos among the crew create an uneasy feeling that things aren't what they seem. But what really happened on the infamous lake remains a mystery. Poses the provocative question - where does myth end and reality begin?