A case soon becomes personal for Pride after the body of a Petty Officer is identified as a former gang member he once attempted to help. Brody attempts to find the perfect place to call home in New Orleans.
A Navy lieutenant on shore leave dies of the bubonic plague, sending the New Orleans team into a tailspin to locate all other sailers on liberty to control an outbreak and find the source. Special Agent Tony DiNozzo gives a helping hand.
After a Navy SEAL is discovered dead in a sorority house, the team need to work out if his death was due to collegiate foul play or a classified mission.
New Orleans is decorated for Halloween as the team investigate the murder of a Naval Staff Judge Advocate discovered in a cemetery dressed in a Victorian costume with puncture wounds on her neck.
A petty officer is discovered dead in a Mardi Gras float storage facility with an engagement ring. Things take a a mysterious turn after the team are unable to find his supposed girlfriend.
A stolen Navy-issue gun appears to belong to a petty officer who died 40 years ago, meaning the team have to re-open a cold case. The team celebrate Thanksgiving.
When a Navy Admiral’s daughter is the prime suspect in a double murder case aboard a research boat, the NCIS team partners with the Coast Guard Investigative Service (CGIS) to work the case. Meanwhile, Lasalle tracks down his estranged brother.
A Navy Lieutenant Commander in impeccable shape turns to Pride and the NCIS team to solve his imminent murder after discovering he has been poisoned with a lethal dose of radiation.
After an NCIS agent is killed during a security detail for the Vice Chief of Naval Operations, the team must determine if this was an assassination attempt or if someone is targeting one of their own. Meanwhile, Agent Brody is placed under investigation and her mysterious past is reevaluated.
A petty officer is murdered during Mardi Gras festivities; Pride contemplates what to tell his daughter about his strained relationship with his father.
Pride is adamant the elusive “Baitfish” has returned and, in attempt to locate his nemesis, he has the team investigate crime scenes and chase leads from New Orleans to Charleston, SC.
After a sailor is murdered in the champagne room of a strip club, the NCIS team links the murder weapon to two additional unsolved cases and discovers that the names of all three victims appear on a mural in a dilapidated part of town. Also, Brody’s ex-fiancé pays her a surprise visit.
While conducting an autopsy on a Petty Officer who is believed to have died from natural causes, an armed man enters the morgue and holds Wade, Sebastian and Danny hostage.
With no memory of the night before, Lasalle’s brother, Cade, turns to NCIS for help when he finds his girlfriend’s body in the trunk of his car. Despite a mountain of evidence that implicates Cade, and the case being under Captain Jim Messier and Jefferson Parish jurisdiction, Lasalle is determined to prove his brother’s innocence.
Pride (Scott Bakula) suspects a mole among the ranks as NCIS and local law enforcement continue to track the Broussard Syndicate after new intelligence suggests a breach at the ports.
