A good story can survive all but the worst treatment. Unfortunately, this really is the worst treatment.
The acting is terrible. The editing is worse--choppy and inept. It's the kind of editing that's so bad you have a number of those "What? How'd he get over there?" moments. It's hard to believe that Larry Cohen had ever directed anything before this, it's so amateurish. I would have guessed this to be a first film, if I didn't know better. It looks as if the director just didn't get the shots needed to cover the action and left the editor scrambling to stitch together a movie.
Similarly, lines of dialogue come out of nowhere, completely unmotivated, almost nonsensical.
The sad thing is, there are good ideas buried in this mess: vampires trying to run a sustainable community by feeding on cows' blood, their attempts to recruit a journalist to record the details of their lives for future generations, the protagonist's perpetually-17-years-old childhood sweetheart seducing him into the Devil's bargain. They're good elements for a story.
But the details don't hang together. None of it quite makes sense. And the one or two good special effects are overwhelmed by all the lousy ones.
If, like the inhabitants of Salem's Lot, you plan to live forever, you might want to take a look at this movie. But for the living: Believe me, you don't have enough time to waste two of your precious remaining hours on this one.
