Near Washington, D. C., there are two clandestine institutions - the world´s most unusual laboratory and a secret CIA training camp.

Drawn to these sites by a murder, ex-secret Service agent Sean King encounters a dark world of mathematicians, codes and spies.

His search for answers soon leads him to more shocking violence - and an autistic extraordinary genius.

Now, only by working with his embattled partner, Michelle Maxwell, can he catch a killer, and solve a stunning mystery that threatens the entire nation.