Ella experiences a vivid dream where mysterious entities called `The Visitors` download information directly into her mind, showing her coordinates of future vault locations around the world, some with massive doors built into mountainsides. When she shares this experience with Navy Commander Beaker and Melanie, they realize she may have received intelligence about which government continuity sites will survive an upcoming conflict and which will be destroyed, suggesting she's being prepared for a massive future project to preserve human culture and technology.