On Person of Interest, Reese poses as a secret service agent to protect a congressman. But with Decima on the move, things aren't exactly as they appear.
On Person of Interest, Finch and Shaw look for the Samaritan drives. Elsewhere, the government and Vigilance cause problems in their quest for the drives and the Machine.
When you find that one person who connects you to the world, you become someone different, someone better. When that person is taken from you, what do you become then?