The murder of an Assistant District Attorney thrusts Castle and Beckett into the world of ex-cons and escorts. But when Castle's desire to help a vulnerable call girl endangers the case, Beckett is forced to decide between honoring promises and putting a killer behind bars. Matters are complicated even further when Castle's daughter shares a potentially explosive secret with Beckett instead of her father.
Spoilers ahead. Coverage follows the scope labeled below.
Complete story — includes the ending
Castle and Beckett are thrust into the world of ex-cons and escorts after a respected Assistant District Attorney is tossed off a multi-story car parking garage. Further, Castle sympathizes with the plight of a call girl connected to the case, resulting in his making promises that he and Beckett may not be able to keep. Meanwhile, Castle is concerned, and mildly hurt, when Alexis confides a secret to Beckett and not to him.