The NCIS team has 22 hours to save the wife of a murdered Chief Warrant Officer after she is kidnapped; Senior FBI Agent Fornell lends a hand with the case.
The NCIS team receives a Halloween surprise when a Naval Staff Judge Advocate's corpse is discovered in a cemetary, with a pair of puncture wounds on her neck.
During the investigation into a reservist Navy Seal surgeon's death, the NCIS team calls upon the help of Vance's daughter and recent NCIS trainee Kayla.
A Philadelphia Navy petty officer is murdered and after NCIS is called in to investigate, Parker must face a delinquent past that he thought he left behind.
An infamous arms dealer is released from prison and soon enough the kills start racking up, forcing Torres to deal with the consequences of his actions.
The team goes after a gang of teenage partygoers after break-ins hit Marine Base Quantico, with Special Agent McGee growing close with one of the teens.
The team looks into the death of a Navy reservist and investigative journalist; Knight and Jimmy's new romance is derailed by a vital organ transfer gone wrong.
As Parker and Vivian continue on the run, his teammates look into his past in an effort to clear his name by calling in favors from the NCIS: Hawai'i experts.
When Reid becomes increasingly worried that his mother has been taken, he enlists the help of the BAU to look into the matter while he's trapped in prison.
As Reid finds himself in a problematic situation, he is forced to confront an old nemesis; Derek Morgan offers a lead that could help locate Mr. Scratch.
The Behavioral Analysis Unit is sent out to investigate when multiple women disappear in Virginia, but they are unsure of any commonalities between the victims.
The team looks into the murder of a retired Navy SEAL who traced military personnel impersonators for a living; LaSalle is a grinch during Christmas for once.
The NCIS: New Orleans team looks into the circumstances surrounding a lethal explosion that took place at a Navy-Marine Corps Gala event they were attending.
The NCIS team investigates a double-murder case, in which the daughter of a Navy Admiral is the prime suspect; LaSalle tries to locate his estranged brother.
The NCIS: New Orleans team investigates a potential assassination attempt on the Vice Chief of Naval Operations; Agent Brody's cryptic past is explored.