In a post-apocalyptic world, humanity survives in isolated colonies, cut off from each other by dangerous wastelands. Nora, a young engineer from one of these colonies, discovers a functioning AI from the pre-apocalypse era. The AI contains fragmented data about a hidden city that could hold the key to restoring civilization. With the help of the AI, Nora and a group of outcasts embark on a perilous journey to find this city.