The team investigates the murder of a Marine who had top-level security clearance, and the corpse is missing a hand.

After an architect duo who specializes in designing secure buildings is kidnapped, the NCIS team mounts a search to bring them home. Also, Deeks and Kensi realize they may need…

Callen and the team discover that Anna is being held by a group with ties to Anna’s upbring and must rescue her before she is forcibly returned to Russia. Also,…

The body of a murdered Navy reservist is found by thieves in the midst of a robbery and NCIS must work with the burglars to find the killer. Also, Kensi…

Callen and Sam work with Navy Captain Harmon “Harm” Rabb, Jr. (David James Elliott) to locate a group of ISIS sympathizers aboard the USS Allegiance. Also, Hetty enlists her friend,…

Despite several team members having grave reservations, NCIS travels to Mexico for a risky mission to locate and rescue Mosley’s son.

Following the kidnapping of Sam’s wife, Michelle Hanna, Sam goes rogue from the NCIS team and attempts to stop his arch nemesis Tahir Khaled from ever targeting his family again.

Sam receives a distress code from Aiden saying that his school is being taken over by an extremist group.

Some of the team have to assume undercover identities in Moscow so that they can locate their suspects.

When the NCIS: Los Angeles team and DEA uncover the cartel’s plans to slyly transport billions of dollars’ worth of cocaine from Colombia to the U.S. using a submarine, Callen…

Deeks goes undercover to obtain information about an infamous arms dealer looking to get back in the business, but the woman he befriends leads the operation in a dangerous directon….

A nuclear explosion in the Pacific reignites the search for stolen nuclear weapons and prompts Hetty to shuffle the NCIS: LA partnerships, sending Callen and Kensi overseas and leaving Sam…

A body is stolen after a special task force successfully takes down an infamous cartel boss, leaving the NCIS: LA team to investigate the leak and track down the missing…

Callen questions Hetty’s motivations when a bizarre case involving a mysterious woman is revealed to be an undercover agent from her past.

When cyanide in a communal water jug lethally poisons a lieutenant and leaves a Navy pilot in serious condition, the NCIS: LA team investigates whether this is an isolated incident…

A distraught widow is suspicious of the circumstances surrounding her Marine husband’s last battle and Sam and Callen help to determine if there has been a cover-up. Meanwhile, Hetty summons…

A drone strike on a bomb-making compound in Afghanistan reveals the body of a recently retired Marine, leaving the NCIS: LA team to investigate why the Marine returned to Afghanistan…

The L.A. team is drawn into a deadly mind game against a master criminal motivated by Revenge.

Hetty’s sudden resignation prompts Callen and the NCIS team to investigate the reason why she would disappear in the hopes of tracking her down.

Sam goes undercover as a prisoner to track down a terrorist group responsible for several bombings around the world.

Callen races against a ruthless adversary to locate a woman who knows the whereabouts of a forgotten fortune earmarked to fund a new war in the Middle East – and…