The Evil Beneath Loch Ness

When a renowned paleontologist is killed while attempting to prove his theories about Loch Ness, it's up to his protege, Case Howell, to lead a second expedition into the murky depths of the Loch! There, trapped amid a series of uncharted labyrinths, Case makes a deadly discovery -- a terrifying giant creature thought extinct for millions of year! (official distributor synopsis)