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After a downtown Navy Recruitment Center is held hostage, Callen mediates with his ex-partner, Tracy Keller, to uncover information about a hijacked shipment of Spike missiles.
A videotape revealing a Naval Commander's daughter being buried alive strikes a nerve with Sam and thrusts the NCIS team in a race against the clock to save the girl.
The OSP and NCIS: Los Angeles team receive a surprise even they didn't expect in the fourth episode of the second season.
Callen, Sam and Kensi jump into action when video surveillance footage shows an ambush on a humvee transporting Marines in the desert.
In part two of NCIS: Los Angeles' two-hour second season premiere, the team hunts down a professional hit squad who just took out one of their own, and tries to determine their next target.
The second season of NCIS: Los Angeles kicks off with a two-hour premiere and another missing agent. This time it's Det. Deeks, who's gone deep cover ... probably a little too deep.
Callen seeks to uncover the keys to a case, and unlock secrets of his past, on the first season finale of NCIS: Los Angeles.
Callen's cover is blown and he is forced to cut off all contacts with the team, and they must find the cause of the security breach.
Hetty's role as the coordinator of the Office Special Projects is the focal point of this episode, the third to last of the first season.
The NCIS special projects team continues its search for one of their own, and achieves a surprising result. Dom is found ... but will he be safe?