In a post-apocalyptic world, soldier Rhys is haunted by his past, unknowingly carrying a secret that could change the course of humanity's survival. As he and a young companion embark on a treacherous journey across the Australian wasteland, they must navigate through zombie-infested territories, facing ruthless raiders and uncovering long-lost secrets that could hold the key to a cure. With each step, Rhys is drawn deeper into a battle that threatens not just his own destiny but the fate of the entire world.