Watch Castle Season 8 Episode 15 Online: Fidelis Ad MortemChristine Orlando at .
When a recruit officer at the NYPD Academy is murdered, Captain Kate Beckett becomes an instructor at the academy to help catch the killer in Castle Season 8 Episode 15.
This was the premise of the latest installment of this ABC drama.
Elsewhere, Castle struggled with whether to tell Beckett the entire truth about his disappearance and how his memory loss is connected to LokSat.
What did he decide in the end? Do you want to find out more?
Watch Castle online here at TV Fanatic via the above video right here and right now.
C. Orlando is a TV Fanatic Staff Writer. Follow her on Twitter.