Michael King

As Nell keeps Callen in the dark about the team's search for Katya, Callen manages to track down the person tailing him to a remote location that is teeming with Russians.

When Sam's daughter is kidnapped after leading citywide protests, he will stop at nothing to find her; Deeks rejoins NCIS; Callen searches for answers about Anna.

Unable to trust anyone in New Orleans, the NCIS team calls in FBI Assistant Director Isler to help expose and stop Mayor Hamilton's sinister scheme.

The hunt for Nate Haskell takes the team to Los Angeles, and the case grows even more personal for Langston when his ex-wife is kidnapped.

Reagan worries that work may be affecting her parenting skills, while Ava struggles with the fact that Reagan is too busy to spend quality time with her. Chris believes that he may have found his calling in Amy's playgroup.

Tennis legend John McEnroe comes under suspicion when witnesses claim that he was the last person to see a murder victim alive. Meanwhile, the CSIs support Mac when he must endure a disciplinary hearing after the death of Clay Dobson.