As humanity continues to grow and thrive, something beneath the Pacific Ocean stirs. A portal has opened on the ocean floor and monstrous creatures known only as "Kaiju" have risen. Mankind is immediately pushed to the brink of extinction as their resources and will to fight are consumed. In one final response, massive robots known as Jaegers are created.
Two individuals pilot the Jaegers with their minds melded together via neural bridging. But, as the war rages on, the Kaiju show no signs of slowing and their numbers continue to grow. With their numbers dwindling and their power weakened, humanity has to make one final stand.