What you dont know can kill you . FBI Special Agent Sydney Fitzpatrick knows nothing about the Devils Key, except that her father was involved in its theft twenty years ago and was murdered as a result. The Devils Key, a list of seemingly random, supposedly indecipherable numbers, poses an immediate threat to national securityand anyone caught with this code in their possession is terminated with extreme prejudice. Sydney, unaware of the standing kill order, only just recovered the list and turned it over to her superiorsbut not before making a copy.What you do know can kill you . Now the hard drive containing the lists data has been compromised and two civilians are dead. But Sydneys not the only one in danger. When a young woman with eidetic memory sees the numbers, Sydney and her partner, Zachary Griffin, must protect herand what she knowsat all costs.

For if the code falls into enemy hands, it could devastate the entire countrys infrastructureand even ignite a world war.