: The climax reveals DCIS Agent Eden Grayson as the crooked agent behind the scheme, leading to a final fight in the back of a van. Key Characters & Cast
: The team is shocked to learn that Kasie Hines has been conducting an internal investigation for months on behalf of the Defense Criminal Investigation Services (DCIS) to identify a mole within NCIS.
: The investigation leads to an oil and tech company that the deceased agent, Otis, was allegedly selling information to. The team initially suspects Otis of blackmail, but later discovers he was likely framed or caught in a larger scheme.
(Gary Cole): Leads the investigation into the "mole" within his team.