Third Falcon (2013)

Plot

Roger Harris vanishes during a trip to St. Petersburg while stationed in Tallinn, where he’s been tasked with creating a European cyber defense code book. His sudden disappearance raises alarms, prompting an urgent investigation into his fate. As authorities delve into his last known movements, they uncover a web of intrigue that intertwines espionage and cyber warfare, revealing that Harris may have stumbled upon something far more dangerous than he anticipated. Time is running out to find him and secure the critical information he was working on.