Two ex-Secret Services agents must encounter a dark world of violence, codes, and spies at a key CIA training camp with this #1 NY Times bestseller in regards to a mystery that could destroy the nation.

Near Washington, D.C., a couple of two clandestine organizations: the world’s most uncommon lab and a secret CIA teaching camp. Attracted to these sites with a murder, ex-Secret Service agent Sean King encounters a dark globe of mathematicians, codes, and spies. His seek out answers soon qualified prospects him to even more surprising violence-and an autistic gal with a fantastic genius.

Now, only simply by working with his partner, Michelle Maxwell, who’s battling her own private demons, may he catch a killer…and stop a national threat.