When Decima prepares to bring the Samaritan AI online, the team finds itself caught between that organizations attempts to wipe them out and Vigilance's plan to put an end to intrusive government surveillance.moreless
The Machine sends the team five Numbers to try and determine what is going on in an impending catastrophe that it is blocked from seeing. Meanwhile, Root brings her assembled team of hackers to New York for the next part of her mistress' plan.moreless
Now that they have Samaritan up, Decima begins the hunt for Reese, Sam, and Finch... and plans to use Grace Hendricks to lure Finch out of hiding.
A Congressman holds the key to stop Decima from activating Samaritan, and Reese poses as a Secret Service agent to get close to him.
Vigilance launches a new attack and the team splits up: Finch and Fusco go to Washington to investigate, while Reese and Sam go to a high school reunion to protect their newest Number.moreless
The team receive the Number of a UN diplomat being stalked by a former government contractor. Meanwhile, Root faces an enemy from the past.