In the rugged wilderness of the Appalachian Mountains, the treacherous Unegama River holds more than its share of mortal dangers. But something deadlier than any force of nature is about to be awakened. Something both unnatural and immortal. Driven from their ancient hunting grounds, they have dwelt in their cave for hundreds of years... hiding, waiting – and hungering. Now, a group of whitewater rafters has made the mistake of passing through their hunting grounds, and for these awakened creatures of the night, their first blood is about to be unleashed. AND THEY ARE GOING TO FEED...