NCIS: Los Angeles is a drama about the high-stakes world of the Office of Special Projects (OSP), a division of NCIS that is charged with apprehending dangerous and elusive criminals that pose a threat to the nation's security.
After NCIS fails to locate a mole in the department, Under Secretary of Defense Corbin Duggan (Jackson Hurst) insists on new leadership and takes over the Los Angeles unit from Hetty and Granger.