

While on Air Force One, a Navy commanding officer dies. Agents from the Navy NCIS decide to take the investigation into their own hands and also force a Secret Service Agent to help. Now the NCIS team has to figure out if the Navy officer's death was of natural causes or not.

During a training exercise, a Marine's parachute fails to open and he crashes into a parked car. The NCIS team head to the scene and have to determine if the Marine's death was accidental or a murder.

The NCIS team investigate when a seaman's body is found at the bottom of the sea in his dress whites, with a ceremonial sword. They discover that he was addicted to an MMORPG. Now, the team must figure out how involved he was in the game and how far he would go to get revenge on his arch enemy, another sailor.

The NCIS team head to Cuba to investigate a Navy translator's connection to smuggling at a detention center after he suddenly dies at the wheel of his car when returning to the U.S. from Guantanamo Bay.

After a Marine widow receives a call from her dead husband, the NCIS team take on the case and have to exhume the body to deduce whether the call was a prank or not.

After being buried alive, a woman comes out of the grave with amnesia and the only thing she remembers is that there is a bomb aboard a Navy ship. While trying to help Jane Doe recover her identity, the team find out that not everything is what it first seemed.

The NCIS team are called in when a severed leg bearing a Marine tattoo is found in a trash bin, leading them to a small town where a murder scheme is afoot.

The team investigate when a Marine recruitment officer is found shot to death by a sniper with a grudge, who leaves a white feather behind.

A Navy dentist stops near a parked car to help a stranded motorist who pulls out a gun. The team investigate a murder with the help from a local sheriff, Charley, when they find out about the similar murder of the Navy civilian employee.

A terrorist holds Ducky, Gerald, and Kate hostage while NCIS investigate how exactly the terror organization member got a job at a Navy base.

When the body of a sailor is found after a party in an illegal night club, the team investigate a number of possible leads - including blackmail and accidental death.

An NCIS agent has been murdered while investigating a case and the team's job is to find out what happened.

When a body of a murdered Marine is found in the forest, the investigation leads to the local militia and a weapon deal gone wrong.

Gibbs' team investigate the death of a SEAL during a training exercise, and come to suspect that it wasn't an accident, but a murder.

The terrorist from Bête Noire returns with a plan to attack the President. Gibbs and his team follow the clues to reveal his identity and find Kate who is kidnapped.