The ancient slave mongers who killed the adults and enslaved the children have angered a more advanced species of aliens. Composed of pure energy, this superior race has attacked the Anunnaki home world and is now setting a course for Earth.
Bravo and his beloved handler, Lieutenant Nathan Ingalls, are together again amidst the ashes of an apocalyptic California. Together, they are using their skills to help a rebel militia group seek out survivors in the desolation of Death Valley.
But when the Death Brigade – a vicious anarchist group arisen from the dust of a fallen society – rolls into town, tragedy strikes. Someone is taken. Neither Nathan nor Bravo will allow that. The hunt is on – Bravo will not fail in his task to protect his friends.