As Pride and the team continue the investigation of an Officer's assault and the murder of her therapist, NCIS zeroes in on a prime suspect who's been working the system for years. Also, Carter and his mother talk about how they'll move forward after a past mistake, and Sebastian begins a promising new relationship.

Pride and the team are on the hunt for a kidnapped 14-year-old and discover that her father, who will soon have custody of her, is a radical survivalist living off the grid.

On the eve of his wedding to Rita, and Connor leaving for the Witness Protection Program, Pride must track down who attacked Jimmy and Connor, while navigating Sasha's ulterior motives regarding her son.