It follows a talented and tireless team of Naval Criminal Investigative Services agents dedicated to solving criminal cases involving the Marines and the Navy. The series explores local stories with Australian actors and producers.

The Naval Criminal Investigation Service's Office of Special Projects takes on the undercover work and the hard to crack cases in LA. Key agents are G. Callen and Sam Hanna, streets kids risen through the ranks.

The cases of the Naval Criminal Investigative Service's Washington, D.C. Major Case Response Team, led by Special Agent Leroy Jethro Gibbs.

Follow a team of Naval criminal investigators who operate on the Hawaiian islands.