Big cat expert Larry Black heads out on an expedition into the Indonesian wilds, trying to find and document the rare and endangered Javan Leopard. But the deeper into the jungle he gets, the more nervous his native guides become of a legendary werewolf-like creature that roams the lands. Determined to complete his mission, Larry ventures further into the rainforest, where even he begins to realize that they are systematically being stalked and hunted by a deadly, unseen predator.