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Linchpin
Linchpin
Background Information
Episode Name:
Linchpin
Show
Air Date:
February 20, 2012
Season:
4
Episode:
16
Directed By:
N/A
Story Writer:
N/A
Linchpin Review Score's
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Linchpin Synopsis
In the explosive conclusion of a two-part story arc that began last week with "Pandora," Castle & Beckett race to find the "Linchpin" in order to stop the first domino in a chain of events which will plunge the United States into war.
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