Clancy McRae is mad as hell. Charged with creating technology-enhanced troops, she s discovered her top-secret nano-device has been surgically implanted in four U.S. Marines without her approval. Though it makes them smarter, faster, and stronger than any human on earth, in this untested stage it can also drive them insane -- or kill them. Now she s stolen classified data, risking her career -- and her life -- to go after them.