Nex is a phantom thief. He's untraceable, uncatchable, and one step ahead of every system on Earth. His heists are legendary, his identity a myth. But when a biotech job codenamed CerebrumX unlocks something inside him, he stops stealing from the world… and starts seeing its code.

On the other side of the law, FBI profiler Mara Cale hunts a killer the world doesn’t understand. Twenty-two victims. No wounds. No blood. Just a frozen black pawn left at every scene. They call him Nullus. Mara calls him the end of reason.

As the lines blur between man and weapon, thief and savior, Nex and Mara are drawn toward a collision that defies logic in a world where the only thing more dangerous than Nullus… is what’s coming to stop him.