Nancy rests on her father’s shoulder as he reassures her in a dangerous, dark world. Meanwhile, Carl, a former Ark Base researcher and the only person who knows the project’s core secret, becomes a marked target for elimination by Ark operatives. Nancy’s father instructs her to stay put while he investigates a noise. Nancy then encounters Carl, who reveals his escape from the Ark after his daughter was bitten. Tensions rise as Nancy reveals their distrust of recent allies from the Ark, fearing betrayal despite their apparent goodwill. Carl promises to lead them to a safe house, but the threat of Ark forces closing in remains immediate.