Rene Moran

Cal has a personal interest in an Internal Affairs investigation of a police officer, accused of murdering a gang banger.

Callen and Sam travel to the USS Allegiance in the Persian Gulf to work with Navy Capt. Harmon "Harm" Rabb Jr. when the team learns about ISIS sympathizers who are targeting military locations.

When BCPD's police dog, Cookie, sniffs out a stash of heroin in a young girl's backpack, Russ and Milt have competing theories as to where it came from and why she had it. Also, Jacocks travels to Detroit for a training seminar, with the ulterior motive of finding out why Milt was sent to Battle Creek.