You'll go "bats" for this tale of Nature's revenge on Man. David Warner is an industrialist dynamiting sacred Indian caves, which unleashes a flood of angry vampire bats. Nick Mancuso is the naturalist who must find a way to eliminate the deadly swarms. Director Arthur Hiller's thriller co-stars Stephen Macht, Strother Martin, and Ben Piazza. 105 min. Widescreen; Soundtrack: English Dolby Digital stereo.