The task force investigates a series of social media conspiracies that simulate dangerous public attacks; when a top-secret government program is stolen, the team works to uncover the Troll Farmer's involvement.
Owen helps Val understand the truth about her first encounter with Elena. As Doak becomes a pawn in Elena's game, Val discovers the link between Elena's targets.
As a rogue assassin hunts Elena, Sergey and Owen grapple with a threat that can unravel their whole plan.
In the second part of the two-hour series finale, Miles is forced to examine his lack of faith more than ever before when the God Account sends him his sister, Ali, as a friend suggestion on the eve of her cancer surgery.
