Season 5, Episode 21 The Squab and the Quail
First Aired: April 22, 2013
Beckett must protect a charismatic billionaire whose life is in peril, prompting her to ponder her romance with Castle as it reaches a standstill. Meanwhile, Castle begins feeling insecure, so he tries to get the billionaire's case solved quickly.
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- Premiered: March 9, 2009
- Rating: TV-PG
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- Premise: Successful mystery novelist Richard Castle starts working with the New York Police Department (NYPD) homicide investigation team after a serial killer decides to use plots from his novels for no good. (more)