Humanity has fled to the Moon after invaders from another world unleashed weapons known as machine lifeforms on Earth. The Council of Humanity organizes an android resistance to retake the planet, and the Resistance deploys the YoRHa infantry unit to break the stalemate.
NieR:Automata follows androids 2B, 9S and A2 in the battle against the machines. As the conflict unfolds, they confront long-forgotten truths about the world they are fighting to reclaim.