
Chris O'Donnell and LL Cool J star in this second show in the "NCIS" franchise, focusing on the high-stakes world of the Office of Special Projects (OSP) in Los Angeles. Highly trained agents use the most-advanced technologies available and go under cover to apprehend criminals deemed a threat to national security. Special Agent G. Callum can transform himself into whoever he needs to be to infiltrate criminal factions. His partner, former Navy SEAL Sam Hanna, is a surveillance specialist who uses state-of-the-art equipment to monitor field agents and feed them information.

Despite several team members having reservations, the team travels to Mexico to locate and rescue Mosley's son.

After a mission in Mexico, Callen, Sam and Kensi must find a way home with an unconscious Deeks in tow; Mosley and retired Navy Admiral Hollace Kilbride look for assistance with their missing colleagues.

A prototype tactical assault suit is stolen from a Navy base and used in a jewelry heist; the team must determine who stole the suit and what their next target is; retired Navy Admiral Hollace Kilbride temporarily oversees the team.

Callen and Sam are assigned protection duty for Deputy Crown Prince Kamal after an assassin targets his decoy upon arrival in Los Angeles.