 In Arlington, Virginia, Marine Lieutenant Colonel Daniel Connolly, an Afghanistan infantry veteran, works in the Joint Staff office of the Pentagon with Army Major Bob Griggs.The two are tasked to investigate an intelligence leak of an extra-marital affair between two high-ranking officers of the Indo-Pacific Command that causes both of them to be relieved and disrupts the chain of command.Connolly and Griggs consult NSA analyst Nik Melanopolis who deduces that the leak was engineered by Russian GRU hackers.