The time: Present day. The place: Afghanistan. The mission: To track down and capture Fazul, a fanatical Arab terrorist hiding in the labyrinth of caves underlying the desolate landscape. An elite unit of soldiers, specially trained and armed, is combing through endless underground tunnels looking to bring their target to justice. But what they're about to find is an enemy they're not prepared to fight - genetically altered vampire bats programmed to feast on human flesh and blood - in this horrifying action thriller.