After tracking Apollyon, a deadly underground spy network, to war-torn South Ossetia, Pride is separated from the team and faces grave danger. Also, in order to save Pride, the NCIS team must locate a mole who continues...
When a female combat pilot and Navy hero dies in an air-show plane crash, the NCIS team must investigate if it's the fault of the pilot or the new jet that was just approved to deploy to bases globally.
When a string of Christmas burglaries turns deadly, the evidence leads the NCIS team to Wade's adopted son, Danny (Christopher Meyer). Also, Lasalle and Brody tease Sonja about the high stakes of drawing Pride in the team's Secret Santa exchange.
Sebastian flies to D.C. to work with Abby Sciuto on the forensics in the case involving her brother, while Ellie Bishop comes to New Orleans to deliver a package and help Pride and his team on the case.
The NCIS team protects a local DJ from a threatening perpetrator and investigates the murder of a Navy Captain who was attacked while on-air with the radio show. Also, Pride's daughter, Laurel (Shanley Caswell), returns home to discuss her future plans.
The NCIS team investigates the murder of a Navy Lieutenant during a French Quarter second line funeral procession, a New Orleans tradition that celebrates the recently deceased with a musical street parade.