Scottsville is a sleepy town, where the yearly apple blossom festival is usually the only 'memorable' event, so Police Chief Sam Taylor is furious when young cop Ally Parks -who comes from the big city- insists on investigating the death and mutilation of prof. Fuller, who experimented on bats, and soon several other victims, as unnatural bat attacks. She finds a helpful 'expert' in animal controller Dr. John Winslow, and the couple gets help from his inquisitive daughter Genny and her practically in-living high school-friend Logan to unravel how it all ties in with local real estate mogul Carl Hart's dishonest and corrupt practices.
一个学校的职员被蝙蝠咬死，女警爱莉被派来调查此事。原来大学教授痛恨地产商无情地将当地居民赶出自己的土地，打算用蝙蝠报仇。女警救出地产商，教授安置的炸弹爆炸了，教授和蝙蝠都被炸死。