'In the Belly of the Beast' - Elena saves Beckett - Castle 6x17

CASTLE - "In the Belly of the Beast" - Beckett is recruited to assist on a Narcotics investigation, but a routine mission turns deadly when an undercover operation goes awry To survive, Beckett must engage in a battle of wits against some of the most dangerous men in the New York underworld - including a powerful enemy from her past.