
Naval Criminal Investigative Service Special Agent Leroy Jethro Gibbs leads a group of colorful personalities in investigating crimes -- ranging from murder and espionage to terrorism -- that have evidence connected to Navy and Marine Corps personnel. The team includes MIT graduate Timothy McGee, Ellie Bishop, who specializes in international threat assessment, charismatic and unpredictable Nick Torres, and forensic psychologist Jack Sloane. Dr. Donald "Ducky" Mallard brings his vast experience in forensics into play to help solve cases.

Reeling from his father's murder, Parker goes to extreme lengths to hunt down the woman he holds responsible, mob boss Carla Marino, jeopardizing not only his own future but the team's.

Parker's pursuit of vengeance for his father's murder could have deadly consequences; Parker's sister faces an impossible choice.

When a petty officer's death is connected to a blackmail investigation, the team is forced to work with Special Agent Sawyer on the case, which takes a terrifying turn for Torres.

The team investigates a U.S. marine who is believed to have kidnapped the wife of one of the most powerful men at the Department of Justice.