A case turns personal for Pride when the body of a Petty Officer is identified as a former gang member he once mentored. Meanwhile, Brody continues her search for the perfect place to call home in New Orleans.

A Navy Judge is found dying in a cemetery on Halloween night.

The NCIS team investigates the murder of a Navy Officer with the highest level top secret clearance who was recently assigned as a tech liaison with a private developer.

A Petty Officer is found shot dead in an alley, with wounds from two different guns.

When a Navy-issue pistol is found in a dead robber's bag, the gun leads to a 38-year-old cold case that hits close to home for Loretta. Laurel returns to Thanksgiving with a surprise.

A retired Seal who exposed fake veterans is found murdered.

The investigation into an explosion at the Navy-Marine Corp Relief Gala leads the team to a decades old NOPD case.

The team attempts to solve a murder before it takes place, after a Navy lieutenant commander discovers that he has been poisoned with a deadly amount of radiation.

When an NCIS Agent is gunned down on a detail that Brody was on, the team discovers that the agent's murder was personal.

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.

When a Navy Commander's car is stolen with his baby inside, the NCIS team must determine if this was a random carjacking or a targeted abduction.

Lasalle's brother, Cade, is accused of murder and Lasalle is determined to prove his innocence, in spite of all the evidence against him. Lasalle is officially off the case, so he helps ATF Agent Percy take down an arms dealer.

To send a message to Pride, Baitfish murders someone close to the NCIS team, prompting a citywide manhunt for the elusive criminal. Dylan Walsh guest stars.

Pride 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.