Her Last Fortress

Jade Sullivan sells her fortune to build 'Fortress Jade'. As global temperature soars, her greedy stepmother, Linda Larkin, and stepbrother, Brock Sullivan, attempt to seize resources by inciting mobs. Jade Sullivan uses high-tech defenses, banishing them to the wilderness. As climate shifts to extreme cold, Jade achieves ecological self-sufficiency, becoming a controller of order, guarding paradise in the apocalypse.