'Person of Interest' Season 3, episode 22: 'A House Divided' promo
There are only two episodes left of "Person of Interest" Season 3, and the stakes are higher than ever with Finch now under the control of Greer. The above promo for episode 22, "A House Divided," shows that Greer's plans for Samaritan is not what Finch expected.
The synopsis for "A House Divided" reads: "When an unknown entity prevents the Machine from seeing the full picture of an impending catastrophic event, it sends the team five separate numbers to help them piece together the bigger picture. Meanwhile, Root's team of hackers arrives in New York."
"Person of Interest" airs Tuesdays at 10 p.m. ET/PT on CBS.