NCIS: Los Angeles (season 8)

This is a special unit in which sight there are criminals who are able to harm the whole state. Specialists, the main heroes of the show, have to work undercover. They have fake papers and vanguard technologies. The agents are putting their lives on the line. It is all in the name of peaceful citizens safe living. Agent G. Callen is a unique man. He can easily turn into any identity which he has to be during the task. G. Callen works with agent Sam Hanna. He is an ex-marine. He has military skills. The hero took part in Iraq war and Afghanistan war.