The end of days is at hand. Terrorist organizations have taken out all superpowers, cleansing the planet of the 'disease of civilization'.

In this radically changed world, small bands of survivors face an overwhelming enemy and fight back the only way they can: with sudden and savage violence. One of them - a man only known as Sundown - struggles with his inner demons while trying to keep his group alive.

Together with an ex-IRA commander and a retired CIA agent, they lead a determined band of survivors to defeat their enemy. But can they survive the harsh, unforgiving Australian desert?