Helen Carter is betrayed by her husband Jack and best friend Anna during the zombie apocalypse and dies at their hands. Reborn thirty days before the K Virus outbreak, she sees their true colors and vows revenge. Using her job at Wallace Supermarket, she stockpiles supplies, sells her family property, and builds a powerful underground bunker. She also tricks the cheating couple into wasting their money on a luxury trip, leaving them with nothing. When the apocalypse arrives, Helen safely watches from her shelter as her enemies face the consequences of their actions.