Sam goes undercover as a prisoner to track down a terrorist group responsible for several bombings around the world.

After an architect duo who specializes in designing secure buildings is kidnapped, the NCIS team mounts a search to bring them home. Also, Deeks and Kensi realize they may need…

Callen and the team discover that Anna is being held by a group with ties to Anna’s upbring and must rescue her before she is forcibly returned to Russia. Also,…