Deep within the jungles at Mexico lies a secret. A secret known only to local Indians, a secret they call the 'black fire'. For Jacob Schroeder, it holds the promise of the greatest medical breakthrough of all time - the cure for cancer. Schroeder is a bio-prospector working for an American pharmaceutical company, and they have tracked this miracle medicine to a remote Mexican province. Only one obstacle lays in Schroeder's way - the 'black fire' is an aggressive species of wasp. Risking life and limb they extract it out of the rain forest. Schroeder pays a truck-driver to smuggle the nest over the border and into America, where his company can study it in their lab. But when the truck runs off the road and crashes into a ravine, Schroeder's problems have only just begun...