Person of Interest S05E05, A Polish street gang known as SP-9 kidnaps the son of Samuel Gates a judge known to be tough on crime. In exchange for his son’s safe return, the leader  demands that the judge release a banker who is key to their money-laundering operations without any punishment.

Root reveals to Finch that since Samaritan’s activation, The Machine ceased talking, leaving her without guidance and afraid. Following this revelation, Finch and Root debate the true nature of The Machine