FBI Special Agent Raymond Isler asks Pride for help with an off-the-books opioids theft investigation he is personally invested in. Also, Percy is sent undercover as a getaway driver with Isler as the muscle for a job tied to the case.

During the annual Contraband Days pirate festival, the NCIS team investigates the murder of a Navy captain who was searching for a valuable 200-year-old marble and gold fleur-de-lis.