Episode Overview
Castle and Beckett are on a frantic mission to locate the "Linchpin" to prevent the initial trigger that could lead the United States into war. As they delve deeper into the investigation, Castle encounters Sophia Conrad, a savvy and alluring CIA agent who inspired the character Clara Strike in his "Derrick Storm" novels. Additionally, the intelligence officer Martin Danberg makes a return, adding another layer of complexity to their high-stakes pursuit.
Show Information
Season 4 Episodes 23
1.
Rise
2.
Heroes & Villains
3.
Head Case
4.
Kick the Ballistics
5.
Eye of the Beholder
6.
Demons
7.
Cops & Robbers
8.
Heartbreak Hotel
9.
Kill Shot
10.
Cuffed
11.
Till Death Do Us Part
12.
Dial M for Mayor
13.
An Embarrassment of Bitches
14.
The Blue Butterfly
15.
Pandora (1)
16.
Linchpin (2)
17.
Once Upon a Crime
18.
A Dance with Death
19.
47 Seconds
20.
The Limey
21.
Headhunters
22.
Undead Again
23.
Always
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