Shaw escapes the Samaritan facility only to find herself trapped on an island.
Shaw has the taxi pull over to let a car she believes to be following her drive past.
Reese and Root head to a diner to discuss Shaw and she listens through the bug she planted on Root.
The team brings Greer to the crypt under a cathedral for interrogation away from Samaritan's prying eyes.
Reese follows Shaw down the street when they learn Finch has already plugged in the thumb drive containing the Samaritan trojan horse.
Shaw shoots Reese after he tries to talk her out of heading to the Machine.