Person of Interest S02E21
Plot: It's been ten days since the machine has provided a number, which means Carter has had ten days of dead bodies piling up. Finch discovers that a company called Decima is responsible for the virus which is causing these problems of inconsistency. The machine finally does dispense a number, it belonging to Ernest Thornhill, whose business of late has been buying up pay phone companies. As Finch and Reese track Thornhill, who they have yet actually to see, they find out some important information about him and exactly why the machine dispensed his number.
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