When the body of a missing NCIS facilities manager is found four months after disappearing on the day of the Navy Yard bombings, the NCIS team is assigned to investigate the strange case for one of their own.
While on medical leave, Ducky orders the exhumation of a Navy Commander's body from a case closed 12 years ago. As a result, Gibbs tasks Ducky with a slightly different role on the investigation.
When a helicopter crew is adrift at sea and later discovered on shore, the NCIS team must determine the cause of the crash and locate the missing pilot.
When a Navy Lieutenant who recently returned home from the Middle East is found dead from a brutal attack, the NCIS team questions the victim’s friend, Marine Captain Joe Wescott.
As the NCIS team investigates a teenage girl’s abduction, Ziva and Abby work closely with her young friend who witnessed the kidnapping. As the investigation unfolds, Gibbs seeks help from a past contact, Miranda Pennebaker, a well-connected woman with questionable morals.
Gibbs teams up with FBI Agent Fornell on a joint NCIS/FBI investigation after Fornell becomes the target of a shooting, but they face an unexpected twist in the case when their mutual ex-wife, Diane Sterling, gets involved.
While the NCIS team investigates the link between a dead journalist and a Petty Officer, Ziva is taken aback by the sudden emotional visit by her father, who she hasn't seen in more than two years.
In the aftermath of an event that strikes close to home, the NCIS team unites to seek answers and demand justice in order to protect their most vulnerable colleagues.
On leave from NCIS while still grieving the loss of his wife and his kids’ mother, Director Vance discovers unexpected personal information that causes him to question everything.
A media frenzy surrounding an unidentified criminal prompts Gibbs’ barber to question his son’s involvement and ask for Gibbs’ help in ruling out his son as a prime suspect.
Ziva continues to pursue revenge against Eli's killer, Ilan Bodnar, and Vance continues to endorse her actions despite orders from Homeland Security to rein them in.
In retaliation for the murders of Eli David and Jackie Vance, the NCIS team feverishly searches for Bodnar despite orders from Homeland Security to relinquish the case.
The international manhunt for Eli David's killer turns into a federal witch hunt against Gibbs and the team, which questions their unconventional methods and threatens their future at the agency.
