Callen and Sam work with Navy Captain Harmon "Harm" Rabb, Jr. to locate a group of ISIS sympathizers aboard the USS Allegiance. Also, Hetty enlists her friend Navy Lieutenant Colonel Sarah "Mac" Mackenzie, to help obtain information from a Russian diplomat.

Starring:

Chris O'Donnell, LL Cool J, Daniela Ruah, Eric Christian Olsen, Linda Hunt, Barrett Foa, Renée Felice Smith, Nia Long

Genre:

Crime