The NCIS team investigates the murder of a journalist who was writing an exposé on a mishandled classified military operation. Also, as their wedding day quickly approaches, Kensi and Deeks work on the last remaining items on their to-do list.

Sydney turns to her sister Nell for help after her high school crush, Andre Martinez, is mixed up in a Russian plot to steal intelligence from the Department of Defense. Also, Special Prosecutor John Rogers conducts mandatory performance reviews with the team.