Gibbs returns to NCIS and leads his team to investigate the kidnapping of a Navy Lieutenant, who is a computer specialist.
They discover that the Lieutenant had used her military knowledge to profile potential husbands and was attending speed dating events.
When they suspect that the kidnapper may continue attending the event in order to avoid suspicion, Ziva goes undercover at a speed-dating event to identify him.
In addition, Tony is offered a promotion – and his own team – as a reward for his performance as team leader while Gibbs was retired but declines and remains in Gibbs' team.
11–17."After witnessing a Mossad agent perform an assassination, which was not authorized by Mossad, Ziva is suspected by the FBI to be a double agent.
Now a fugitive and on the run, Ziva is forced to ask for help from Gibbs, who is in Mexico after retiring from NCIS.
Tony finds his leadership skills being tested to the limit as he and the rest of the team put their careers on the line, determined to prove her innocence before the FBI can arrest her. Special Agent Fornell to reopen his case in order to find the real culprit whilst claiming his own innocence.
A former petty officer, convicted of murder, escapes from prison and forces F. Fornell asks Gibbs, who had worked on the case before and is reinstated as an NCIS agent by Director Shepard, for help when his daughter is threatened.
'That combined with our amazing 5-meals-a-day diet will help you drop weight fast.To his former team's disappointment, Gibbs insists that the reinstatement is only temporary.The team soon finds discrepancies in the petty officer's case and that he may have been framed.Abby runs the DNA samples from the two women to find out if the DNA is a match to the soil found on the dead man's body and later finds out that the team are looking for a third woman who might have been sleeping with the victim.It is Halloween, and the NCIS team is busy investigating a ransom case in which a Marine's daughter has been kidnapped after the kidnapper attacked the Marine in his home.They also learn about his identity and that he was to be deployed to Iraq, but he never showed up for duty.