When you hear that one or both of the Duplass brothers, Mark
and Jay, are involved in a movie, you have certain expectations. Your mind
immediately goes to quirky indie comedies with a droll sense of humor and
heart. If the new horror thriller Black Rock, now out on
Blu-ray, has anything to say about it, this perception may, while not change
entirely, at least add a new dimension to their collective sibling body of
work.
