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