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.

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…

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…

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

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…