On tonight's NCIS: Los Angeles, Sam worries about the safety of a girl he protected in Saudia Arabia. Has she been kidnapped? Or are his concerns unfounded?
On NCIS: Los Angeles, an ATF Agent is executed after his cover is blown. NCIS has to find out how that happened before other agents are compromised and killed.
On tonight's NCIS: Los Angeles, Sam and Callen head to Mexico to find a retired assassin from the first case they worked together. Is it his time to die?
On tonight's NCIS: Los Angeles, the team investigates the murder of two military contractors. Meanwhile, Kensi takes a closer look at Sabatino in Afghanistan.
On tonight's NCIS: Los Angeles, Kensi and Granger work with the Los Angeles team to stop a terrorist attack. Will they money lead them to the perpetrators?
On tonight's NCIS: Los Angeles, the team investigates a Navy Officer's death. It turns into a potential diplomatic nightmare, will they prevent an international incident?
On tonight's NCIS: Los Angeles, the team investigates a possible nuclear bomb in the LA area after details about the city's anti-terrorist nuclear detection devices were stolen. Will they prevent an attack?
On tonight's NCIS: Los Angeles, the team investigates a possible terrorist threat to the nation's railroad system. Will they prevent massive casualties?
On tonight's 100th episode of NCIS: Los Angeles, the team investigates the kidnapping of someone thought to be Callen's father. Will Callen finally get closure on his past?