The planet has been ravaged by a virus that has brought the dead back to life, turning them into predators of the living. Australia has managed to stay untouched thanks to its harsh border control measures and detention centers. Derek Jones and the High Risk Response Unit are tasked with re-establishing order when chaos erupts in these facilities. However, the situation takes a turn when a mysterious girl arrives amidst a rebellion at the Briar’s Hill Detention Centre. Will this event lead to the downfall of Australia, the final refuge for many?