Decades after his daring escape from an unearthly zoo, Jason dreams the world is under attack by an unstoppable army. Hours later, eerie forces of unknown origin launch an offensive against the Earth. As vital electronic systems fail worldwide, Nick Stark must use all of his resources to protect his friends from the imminent chaos. Allies who Jason and Xenia helped escape the bizarre zoo return when Earth's human population teeters on the brink of extinction. Consequences of the attack reach far beyond imagination.