After a Navy officer is found dead on a rural road, the NCIS team must ascertain if the murder was the result of a bar fight or because he knew too much about an attack on a fellow female officer. Meanwhile, DiNozzo and...
Sunni Muslim Marine Lance Corporal Abdul Mohammed Bakr, on leave from Iraq with a few fights with Islam-bashing bigots on his record, is found shot dead in an alley, two blocks from the mosque where his father Khalid Mohammed Bakr is the well-integrated imam. Ducky chooses to honor the imam's religious plea by refusing to perform an autopsy but is ordered by the director, despite horrible Bosnian mass grave memories, then thinks up an unorthodox alternative method, which reveals Abdul was hit by a needle poisoned with rare octopus venom... Abby finds traces of ...
The team gets a tip that a new prototype defense system has been stolen. After locating it, they stakeout a nearby location to catch the culprit. But the equipment is once again stolen. With Sec Nav holding Gibbs personally responsible for the loss, the team races to find the equipment. Meanwhile some are worried about Ducky's health, when Ducky asks requests tests on a blood sample.
Director Shepherd attends a funeral of a retired NCIS Agent, and notices someone suspicious. She gives Tony and Ziva time off and calls in Mike Franks for help. She knows someone is coming after her, and knows Gibbs will be next.
A body is discovered in the water system on a Marine Base. A note stuffed inside the victim's mouth leads to a website showing how the first victim was killed. The team races to find the culprit because they know there will be more victims.
A bank at Quantico is robbed. As the team investigates they find that money may not have been the main objective. They must determine what the robbers were really after. Gibbs is asked to evaluate a new agent by the Director.
Just 2 days before Christmas, a home invasion robbery leaves is linked to an old murder case. The suspect was identified as a petty officer who had died. NCIS tries to sort out what happened in time for the holiday.