Nora Shaw, daughter of Aurora Base Commander Ian Shaw, holds Zombie Matriarch status and Sacred Domain Ability, powering the base's shield. Tess Munro, jealous, incites survivors to torture Nora, shattering the Sacred Domain and releasing a Zombie Horde. Nora awakens her Zombie powers, returning disguised. Nora exposes Tess Munro as a Cathars Cult member. When the Cult's army invades, Nora purifies the global virus, ending the apocalypse, with father and daughter protecting humanity.