Josh (Mike Beckingham) and Beth (Tatjana Inez Nardone) are hiking through the prehistoric gloom of a national park... Buffy star Nicholas Brendon has a small but effective role as a dour park ranger, who dials up the dread when he warns the hikers to stay on the trail.  After they ignore him, they meet a pack of feral vampires, and the film shifts from slow-burn horror to high stake action...