Michael King

After Callen receives a cryptic message from Hetty, he tracks down the person tailing him, bringing him to a remote location teeming with Russians -- and face to face with Anna.

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.

In the season finale, a violent battle for control erupts on the submarine, which leaves the Colorado vulnerable to capture by a third party – one with an exploitative plan. The question becomes: can Marcus and Sam take control of the sub before it’s too late?

As Sam (Scott Speedman) and James (Daniel Lessing) launch a clandestine mission to Manila in search of Christine (Jessy Schram), Marcus (Andre Braugher) contemplates the Chinese government’s offer of protection.

Nate Haskell, the infamous "Dick & Jane" killer kidnaps Langston's ex-wife and leaves a message written in blood.