NCIS investigates when the body of a murdered Navy Lieutenant, who disappeared over a year ago, is found by a cemetery grounds crew while relocating caskets on the property.

Torres' partner mysteriously vanishes during a stakeout with Metro P.D. The investigation uncovers new evidence from a decade-old murder case.

NCIS Special Agent Jacqueline Sloane, a forensic psychologist, joins the team just as a horrific storm shuts down Washington, D.C. During the power outage, a sailor is kidnapped, and Torres and Bishop go out to sea to track evidence.

Reeves sees his friend get kidnapped and the investigation reveals the primary suspect disappeared two days earlier with confidential military information.

A Petty Officer is found murdered on a golf course, and McGee spends hours on the victim’s ham radio trying to locate a key witness.

A convicted felon claims NCIS framed him for murder a decade ago, so Gibbs investigates and asks Ducky to conduct a new autopsy. Senior FBI agent Fornell joins the probe, since he was the lead investigator in the original joint FBI and NCIS case.

An NCIS person of interest in a bribery and fraud case is found murdered after a runner is led to his body by a strange voice.

The team tracks an elusive international arms dealer who recently murdered an MI6 officer.

As Torres and Sloane run protection detail for U.S. Senator John Phillips in Afghanistan for the holidays, they must urgently return to the States after hearing the senator’s son is in the ICU.

Torres and Bishop go undercover as a criminal couple available for hire, during an NCIS sting operation tracking illegal drug-running out of the Norfolk civilian marina.

After a seemingly happy and successful Navy Lieutenant appears to have taken her own life, Gibbs and the team conduct a thorough investigation, interviewing family and friends from her past and present.

After McGee and Torres visit the home of a high schooler who witnessed a hit-and-run, her parents flee with their daughter, leaving NCIS in the lurch.

After the body of a missing Navy commander is found, Vance orders Gibbs and the team to work with former FBI Agent Tobias "T.C." Fornell, the private investigator who was hired to locate him.

NCIS strikes a deal with convicted murderer Paul Triff, giving him a 48-hour furlough at his former residence, now McGee's home, in exchange for information that can convict his former cellmate, Gabriel Hicks, the murderer who deceived Gibbs and Fornell.

Gibbs and the team work to clear the name of retired Marine Sergeant John Ross when cyanide is found in one of the hundreds of care packages he sends to active-duty Marines.

Gibbs and Ducky are watching TV when they see the host handling a 200-year-old war stick that could be a match from a decade-old cold case.

The NCIS headquarters are evacuated after the team discovers a body as well as bomb materials on the roof of the squad room.

Gibbs is granted protective custody of a ten-year-old orphaned refugee, Elena, when an NCIS case reveals she is the target of a violent gang.

NCIS searches for a Petty Officer suspected of assault who escapes when the sheriff transporting him crashes into a lake.

Sara Carter begs Gibbs to investigate her mother's murder - she believes the wrong man was convicted.

When evidence reveals an NCIS team member is a hitman’s latest target, the team must search through old case files to determine who is seeking vengeance.

While Gibbs attends the memorial service for a friend who was lost at sea, he discovers that the deceased, Navy Captain Phillip Brooks, has been hiding in a fallout shelter after his boat was attacked and he swam to shore.

Sloane is adamant that a man who held her hostage and tortured her years ago in Afghanistan, and was believed to have been killed following her rescue, is alive and in D.C.