Series following special agents who investigate crimes connected to the Navy. A navy officer's wife and his blind daughter are kidnapped and taken hostage.
The death of a sailor on board a ship brings the agents into contact with a deadly virus.
When Jenny heads off to a conference, Gibbs is made acting director of the NCIS, but he ignores his duties and leads the team in an investigation.
The accidental discovery of a murder victim during a routine training exercise sparks a hunt for a dangerous criminal.