Arista is not who she seems. Every day she blends in with everyone else, going about her mundane life, all in a desperate attempt to obscure the truth: she's the last human on the planet. Until an accident burns her arm off. Scarred and on the run, she's hunted by Peacemakers, autonomous machines designed to eliminate all human life. But the Cadre, a cabal of machines who keep the world order, need to understand where she...