The Machine provides Grace’s number as a result, and Reese, Shaw and Root work to protect her while evading Decima, who use Samaritan to spy on them within the range of New York.
In a series of flashbacks to 2010, the narrative reveals the backstory on Collier, the face of Vigilance. His brother had been falsely accused of terrorist activities, held without trial, and had committed suicide as a result.
Person of Interest S04E01, The team members have adopted cover lives: Finch is a visiting college professor, Reese is an NYPD narcotics detective, and Shaw works at the cosmetics counter of a department store.
Person of Interest S04E02, Reese and Finch work to save the life of Claire Mahoney, a young, very intelligent mathematician who is heavily involved in solving a nautilus-themed cryptographic puzzle, a recruitment tool used to find gifted minds
POI S04E03, Fusco goes under cover and works with Cooper. It develops that Cooper had worked with members of a mob and is going to testify in a murder trial.
POI S04E04, The team’s latest numbers belong to siblings Malcolm and Tracie Booker, who stole the drug money from the scene to bail their imprisoned mother out of jail.
