On her 28th birthday, Chloe catches her fiancé Owen and best friend Anna betraying her. Reborn back to that fatal day before Owen’s failed lab experiment sparks a zombie apocalypse, she cuts their funding, reinforces her villa into an impenetrable bunker and stockpiles massive supplies. When the outbreak hits, the two traitors and gang leader Clyde repeatedly attack her shelter out of greed. Chloe crushes all threats, avenges her past murder, and shelters vulnerable survivors. As a zombie vaccine emerges, she finds genuine trust and warmth amid the cruel doomsday.