The season finale of Castle could not have been much more dramatic. Wake up, Beckett!
Did you see the Castle season finale?!? Kate has a very good reason to look stunned.
Beckett stares down a convict who has information on her mother's murder. This photo is from the season three finale.

Castle Season 3 Episode 24 Quotes

Unless you're a lot dumber than you look, you care about her too. Don't let her throw her life away.

Mr. Beckett

I've been going to that prison for the past four months to have a staring contest with the devil, and the devil just blinked.