Castle · Season 4

Linchpin (2)

S4·E16 · 20 Feb 2012 · 44m

Synopsis

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. Their efforts continue to put Castle in contact with Sophia Conrad - a smart, commanding and sexy CIA operative who was Castle's inspiration for Clara Strike in the "Derrick Storm" series of books; and intelligence officer Martin Danberg is back.

Cast & crew

Crew

  • Rob BowmanDirector
  • Andrew W. MarloweWriter