New Year's Day: midsummer in Australia. In Perth, twin brothers Aaron and Matt have graduated high school and are enjoying their last few months of summer holidays before adulthood - while on the other side of the country, something has fallen from the sky, heralding the dawn of a new age.

As a terrifying plague spreads across Australia and the world, Aaron and Matt find themselves scrambling to survive, fleeing the city, refugees in their own country. Tormented by strange dreams and beset by violence, they must struggle to find the remnants of their family and survive the Rise of the Undead.