The Babel-a ubiquitous black cube, controls reality by overwriting memory and writing a "fantasy of the self". This device is the nerve center of a fragile peace built upon a data monopoly held by the Anfortas Company. But when a mysterious figure known as Magna Mater injects a linguistic virus into the Babel's data stream, this peace is shattered, destabilizing nations and driving the world toward the brink of nuclear armageddon.