Everyone, including Paul Bennett, was sure that United States Senator Alvin Stoll and his rogue agency had been beaten. But upon returning to Astralis, Paul and the rest of the Walkers only have a few hours of respite before Stoll's next act of treachery shatters their false sense of security and puts the agency on the brink of collapse. With Dr. Abrams injured and unable to lead, it is up to Paul to find a way to beat Stoll at his own game -- with the entire world watching over his shoulder.