Castle and 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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Episode cast overview, first billed only:
Martha Rodgers (credit only)
Alexis Castle (as Molly Quinn)
Captain Victoria Gates (credit only)
Janacek Spivey
Cal Gibson ...
Chess Player
Burnadean Jones ...
Tech #2


CIA agent Sophia Turner sidetracks the sleuths, but only to throw off Becket, welcoming Castle's input. Thomas Gage however reappears, is caught, escapes and convinces Castle of his innocence. The NYPD team finds out there must by a CIA traitor and tries at all cost to prevent the apocalyptic plan being launched by kidnapping a girl, painstakingly identified as the daughter of a very influential Chinese tycoon and party king-maker. Thereafter, Castle must deal with the cleverly elusive traitor. Written by KGF Vissers

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TV-PG | See all certifications »




Release Date:

20 February 2012 (USA)  »

Company Credits

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Technical Specs

Sound Mix:


Aspect Ratio:

16:9 HD
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Did You Know?


Sophia Turner: [In Russian revealing herself as a KGB Plant] This was NEVER MY COUNTRY!
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Castle Theme
Written by Robert Duncan
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User Reviews

Could have been better...
25 March 2012 | by (Argentina) – See all my reviews

I liked this two parter, though I liked Pandora better. This closing is also fast paced, keeps the twists, but stretches a bit too much. The plot was promising and complicated, but it kind of falls apart when it all comes down to a single character. The one traitor is the person who designed a devilish plot to unleash WW3, did all the killings, was on everyone's back all the time without raising anyone's suspicions, ...well it is just too much.

It was entertaining and we all wanted to see how it ended, but the excess of computer tech, geeky stuff, magical databases, the good guy suddenly revealed as the incredibly evil bad guy, the hidden shooter who saves the hero at the last minute, the life changing confession that is left incomplete because the character dies...this all makes it a bit tedious.

I think the plot could have been handled much better and the Sophia character that resembled Beckett's situation with Castle could have been exploited way more.

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