Pride travels to New York City after new DNA evidence links to 20-year-old cold case from his time at the Jefferson Parish Sheriff's office.
Navy Lieutenant Max Landry (Michael Ocampo) asks the New Orleans field office for help when he suspects his girlfriend is a spy. Also, Lasalle faces another devastating dead end as he searches for his brother's last known whereabouts.
NCIS investigates a private plane crash after a Navy pilot says she saw an unidentified object prior to the crash. Also, Pride suffers from insomnia and nightmares as a result of being kidnapped and drugged last year.
The team uncovers a sinister plot by a private detention center to house undocumented immigrants.