Julian Acosta

Officer Nolan and the team are charged with escorting a notorious female serial killer to the graves of her victims; Officer Chen meets a seemingly perfect man who sparks her interest; Officer Lopez worries about Wesley.

Officer Nolan and the entire team are in a desperate search to rescue Officer Chen after her abduction; Officer Lopez discovers Wesley unconscious from a dangerous cocktail of alcohol and pills.

Beckett gets a surprise call from the FBI to help out on a kidnapping case, teaming Beckett with her ex-boyfriend which she still has unresolved feelings for; Castle complicates matters by being especially nosy in the investigation.

Patrick Jane sees a different motive than the obvious one when the State's witness in a narcotics case and his girlfriend are found murdered.

Holmes and Watson investigate a mass murder when a chef and his patrons are poisoned after dining on a tasting menu tainted with snake venom. Also, Detective Bell's crush on a work colleague makes Holmes realize his and Fiona's (Betty Gilpin) relationship is at an important crossroads.