NCIS is one of the highest rated dramas on television.
The series follows a team of the Naval Criminal Investigative Service Major Case Response Team special agents. This is the primary law enforcement and counterintelligence unit of the United States Department of the Navy.
The Special Agent in charge of the squad is Leroy Jethro Gibbs. He's portrayed by fan favorite Mark Harmon. He leads the unit on cases that include terrorist threats and kidnappings.