A case involving the murder of a Petty Officer, who is a former gang member and later mentored by Agent Pride, is investigated. Agent Brody is still trying to get acquainted with New Orleans. Donald "Ducky" Mallard also offers insight.
After a Navy SEAL is found murdered in a sorority house, the NCIS team must determine if the motive pertained to one of his classified missions or collegiate foul play. Meanwhile, Pride’s daughter, Laurel, pays the NCIS office a visit.
The NCIS team is given a 22-hour deadline after the murder investigation of a Chief Warrant Officer who specialized in counterintelligence reveals his wife had been kidnapped and is being held for ransom. Meanwhile, Senior FBI Agent Fornell travels to the Big Easy to assist with the case.
A navy officer with the highest level top secret clearance is murdered, after he was recently assigned as a tech liaison with a private developer. Meanwhile, Pride transforms the carport into an auto shop when he works on the first car he gave his wife.
A petty officer is found dead in a Mardi Gras float storage facility with an engagement ring and proposal plan in hand. The investigation takes a mysterious turn when the team are unable to locate his supposed long-term girlfriend.