Pride assembles an off-the-books team to search for a loophole when he faces a grand jury indictment for abuse of power; Pride's teams uncover a sinister plot during the New Orleans Tricentennial Fleet Week celebration.
NCIS: New Orleans episode guide
Pride and his bar patrons are held hostage by a group of volatile thieves.
Percy and Lasalle go under cover at a high-stakes poker game after the organizer targets players with access to a naval research laboratory; Laurel Pride visits her dad during spring break to discuss options after her upcoming graduation.
Pride, Sebastian and Tammy travel to South America after Pride is personally requested by a former colleague to assist with a classified operation that has been compromised.
The team investigates the murder of a Navy captain who was searching for a priceless 200-year-old fleur-de-lis during the annual Contraband Days pirate festival.
A congressional aide disappears after a hit man saves her from two men posing as NCIS agents; Lasalle struggles with life-altering decisions regarding his brother's future.
FBI Special Agent Raymond Isler asks Pride for help with an off-the-books opioids theft investigation he is personally invested in; Percy works under cover as a getaway driver, with Isler as the muscle for a job tied to the case.
A petty officer is murdered while in town to help a refugee family; Wade works on the special election campaign for Mayor Zahra Taylor that takes place during Mardi Gras.
A petty officer's murder leads the team to a night club where Pride's mother used to perform; Lasalle must return home to Alabama after receiving an unexpected call from his family.
Sebastian's high school friend asks for help when her business partner is killed at a gaming convention; FBI Special Agent Raymond Isler believes Adrian is the hacker that the Cyber Crimes division has been tracking for years.
After a deadly armed robbery and high-speed chase is linked to an undercover ATF operation, Percy reconnects with her former ATF partner.
Pride starts to doubt evidence suggesting homeless kids murdered a petty officer.
Wade's son asks Pride for help after being attacked and discovering his girlfriend is missing; Pride must meet with a therapist to discuss his process for solving cases.
The murder of a petty officer leads the team to a woman who is targeting men with high security clearance; Lasalle's father arrives to discuss the family business.
The team investigates the copycat murder of an unsolved case from 150 years ago that spawned a legendary ghost story; Gregorio is spooked when the case is connected to a recent séance and a local medium.
The team joins forces with FBI Director Isler after a Russian operative with intelligence on sleeper agents disappears; Tammy partners with former sleeper agent Eva Azarova to assist in the disappearance.
An erratic whistleblower who calls Pride her mentor kidnaps him to help her locate a serial killer targeting young women in the Gulf of Mexico.
While Pride remains on probation after his rogue takedown of the corrupt Mayor Hamilton, his team is closely monitored by a strict supervisor; the team must secretly investigate after the FBI takes the lead on a case involving stolen nuclear waste.