A Navy culinary specialist is targeted while visiting her family's restaurant; Brody heads to Washington D.C. to follow up on a lead involving the leak case.
An informant and a disastrous breach in security is discovered when the team works with the Department of Homeland Security to locate 900 pounds of explosives.
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.
After a frightening home break-in threatens Director Vance, Agent Parker stands in to become a protector; the team anticipates progress with Jessica and Jimmy.
The Behavioral Analysis Unit is dispatched to New Orleans when the city's police department learns of a mass grave located inside an above-ground crypt.
The team gathers in secret to begin their investigation into an UnSub who seems to be photographing and kidnapping the young women they choose as targets.
The BAU is asked to help the Centers for Disease Control when they believe that a series of mysterious deaths in Virginia could be the act of bioterrorism.
Pride and the team's investigation into the death of a decorated petty officer inside a sports arena is linked to the abduction of another petty officer.
The NCIS and the FBI launch a joint investigation after three sailors are killed in a private plane crash in the bayou; Sonja and Lasalle hold interviews.