A young warrior named Danielle and her ally, Orion, fight for survival in post-nuclear "New Idaho" to rescue her sister from the religious fanatic Shepherd and his ruthless Warrior clan. Their victory is short-lived, however, as a deadly virus soon ravages the world, forcing Danielle to lead the remaining survivors in a desperate final stand against a new, savage Empire that seeks to control the few uncontaminated people left for their blood. In this infected wasteland, humanity's last hope for freedom now hinges on defeating the very plague that created their enemies.