The wife of a Navy Seal is murdered, the NCIS team discovers she has a background in criminal forensics and recently visited a serial killer in prison seeking his help with another sociopath. Gibbs and company must ...
Having not heard from Ziva anything, Gibbs, Tony, McGee, and Abby wonder; each starts sniffing and digging; they trace her to Somalia. Gibbs, Tony, and McGee go there; Tony and McGee become caught; Gibbs springs them all; they all go home.
Three men die during what they called a bachelor party; one was a Marine staff sergeant; Gibbs and company investigate. The clues lead to a cop, who later dies. The gang find the pieces and put them together; Ziva rejoins the team.
A critic of the NCIS has severely complained about an alleged cover-up of the death of a Naval officer; the griper falls to his death; both the NCIS and the Metro PD investigate; the Gibbs team figure it out. Ziva seeks Gibbs's signature.
The body of a UA Marine, last aboard a ship with Ziva, turns up in a shrimping net in the Indian Ocean. Vance flags Ziva's application while he questions her. Mossad and more bodies appear. Ziva and Abby tell all. Gibbs puts Ziva to work.
A Marine, a practical joker, dies, apparently by suicide by carbon monoxide; Gibbs and company investigate; Ducky rules out suicide, and Abby confirms. Tony starts to arrest the widow, but Gibbs stops him. The gang put the pieces together.
Gibbs's boat, which he gave to Franks, drifts, with two bodies aboard, into the Naval Station at San Diego. Vance and the team investigate. Franks and two relatives show up at Gibbs's house. The gang solve the case and make an arrest.
Two runners at the US Naval Academy find an unattended car and the body of a civilian physician; Gibbs and company investigate; Vance recognizes the MO of a North Korean woman assassin. The gang find the pieces, and everything works out.
A woman Naval officer dies during a break-in at an ISP facility in or near Washington, DC, then electric power goes down throughout the entire metro area; Gibbs and company investigate in the dark; they solve the case and grab the bad guy.
Jack visits Leroy for a special reason. Meanwhile a couple find the body of a Marine first lieutenant, barefoot and thinly clothed, on a prayer rug in freezing weather in a park; Gibbs and company find the pieces and elicit a confession.
Two park rangers find the burned body of a Navy test pilot on leave in a forest in the Appalachian Mountains; Gibbs and company investigate; McGee sees evidence that the pilot tried to fly a jetpack. The gang figure out what truly happened.
A Saudi Arabian limo driver dies in an explosion of a car aboard NAS Patuxent River; Gibbs and company investigate; the apparent target is a Saudi prince present there for advanced training. The gang figure it out. Tony's father visits.
Tony and Ziva escort a whistle-blower from Paris to Washington, DC; during the flight they meet a federal air marshal, and they all encounter various problems. Gibbs, McGee, Ducky, and Abby help in Washington, and everything works out.
The death of a Marine veteran gets the attention of Gibbs, Fornell, and the gang. Damon reappears, then he and Ziva pose as truckers. McGee and others figure out everything, then Gibbs, Fornell, Damon, and Ziva round up the bad guys.
A Navy captain dies of gunfire while with his fiancée, who is Gibbs's first mother-in-law. While Gibbs and company investigate, they find several discrepancies and inconsistencies. Gibbs figures it out, and he and "MAllison" work it out.
A shooting takes place in Rock Creek Park in Washington; the victim is a Marine officer who became MiA six years before; Gibbs and company investigate. A second life, name, and wife all come to light. The gang solve it and nab the shooter.
On a beach a Marine spots a decomposing body; Gibbs and company investigate; at the scene Duckman spots a round penetration in the victim's wet suit. McGee identifies the diver as a Navy lieutenant on leave. While Gibbs and Tony check out the vic's home, they meet two agents of the Coast Guard Investigative Service (CGIS). Abigail, the CGIS agent in charge, and her probie present certain similarities to the gang. Gibbs and Abigail agree to work together; a CGIS lab tech suggests that they may have a double homicide. Gibbs and Abigail barge into a scrub room but fail ...
In Norfolk a Navy lieutenant and base-newspaper reporter dies of stab wounds to the back, as have three other men, and as does one more; Gibbs and company investigate, with the help of a former madam in Washington; Gibbs finds the killer.
The body of a Navy petty officer, shot and drowned, washes up on a beach; while Gibbs and company investigate, another body, wrapped in chain, turns up. The FBI becomes involved, the gang find clues, and Fornell and Gibbs find a leak.
A Navy lieutenant, otherwise in perfect health, dies under mysterious circumstances; Gibbs and company investigate; the vic's sister disappears; a long-time friend of the siblings recently died. The gang figure it out and bust the killer.
The body of a Marine corporal, minus his feet, shows up in the trunk of a junked car; Gibbs and company investigate. Abby and McGee go to Mexico on business; Abby returns with concerns. The gang figure out who killed the Marine and others.
A human body, almost completely consumed, turns up in a burned-out bonfire on a beach near the US Naval Academy, Annapolis, Maryland, after celebrations just before graduation; Gibbs and company investigate; McGee's thumbprint scanner identifies the victim as Special Agent Lara Macy, on personal leave from her post in Marseille, France. Gibbs and McGee visit Lara's mother, who tells them that a man had already rifled through Lara's papers at the family house. Lara had begun to look into the rape of a woman petty officer from a visiting ship in Marseille; the gang ...
Gibbs meets Paloma, the head of the Reynosa drug cartel in Mexico; he hitches a ride back to Washington, where he talks with Vance in code. Tony and Ziva arrest a bad guy, who promptly dies. Ziva attends a ceremony. Paloma meets Jackson.