Kayla Smith

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.

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.

An organised crime leader attempts to buy stolen defence technology, while Deeks is kicked out of NCIS training only to learn that Hetty has a life-changing surprise for him.

The NCIS team's murder investigation of a man who sold military information leads to the abduction of a doctor whose cutting-edge neurotechnology could be developed into advanced weaponry; Callen tries to have an important talk with Arkady.

Before Christmas, Hetty assigns Callen the case of his former foster brother and his wife who, upon reentry into the U.S., are framed for smuggling drugs across the border; Deeks is struggling with losing his job at NCIS.

Cassie embarks on a new venture with a businessman that interferes with Carlotta's work; Noah struggles with making a contract decision; Alex helps a fan start a music career.