Gibbs and his team are forced to play an extremely dangerous and top-secret war game, but the simulated situation begins to yield very real consequences.
Special Agent Lee's daughter has been abducted and she turns to the NCIS team for help getting the girl back, but they are unsure if they can trust her.
Gibbs' team begins to suspect that the death of a petty officer who was actively involved in the world of underground street-fighting was not accidental.
Dr. David Jeremiah, senior pastor of Shadow Mountain Community Church in El Cajon, Calif., delivers the unchanging Word of God to an ever-changing world.
The team tries to decide whether a Navy captain was the victim of a heinous murder due to his work with classified technology or whether he was selling secrets.
After a recent murder that is connected to one of Tony's old cases leads to it being reopened, Gibbs puts him back in charge in order to solve the crime.
A boy on a Navy base discovers a handgun containing residual brain matter on its barrel, which prompts the team to search for the weapon's owner and the victim.
Gibbs and McGee work with the Special Projects office in L.A. as a Marine's murder becomes a matter of national security; Tony snoops in Ziva's personal life.
With the sudden appearance of a Mossad agent, Tony is forced to question Ziva's loyalty to NCIS; special agent Callen goes undercover to catch terrorists.
After a security breach at the Secretary of the Navy's house leads to the death of an ICE agent, the team must work with the FBI to catch the guilty party.
Upon arriving in Israel, Ziva does not have a happy reunion with her father, the head of Mossad; Gibbs faces a tough decision that will affect everyone.
With the past still weighing heavily on their minds, the remaining team members must concentrate on another investigation and find a replacement for Ziva.
After a security breach at the Secretary of the Navy's house leads to the death of an ICE agent, the team must work with the FBI to catch the guilty party.
Upon arriving in Israel, Ziva does not have a happy reunion with her father, the head of Mossad; Gibbs faces a tough decision that will affect everyone.
With the past still weighing heavily on their minds, the remaining team members must concentrate on another investigation and find a replacement for Ziva.