After an undercover agent is executed by a local gang, NCIS is in a race against time. They have to uncover the mole and apprehend him before more agents are put at risk on tomorrow night's NCIS: Los Angeles season 5 episode 17.
Will they be able to prevent more deaths? From the look of the official photos, it's going to be a tense case. Though, at some point, there's a moment of humor. It's all about balance.
In Afghanistan, Kensi goes missing, which has Granger very concerned.