The Office of Special Projects (OSP) is a clandestine division of NCIS and is located in Los Angeles, California. They go deep undercover to capture criminals that are threatening national security. The team includes G Callen, the chameleon, Sam Hanna, Callen's partner and a surveillance expert; Kensi Blye, the adrenalin junkie and Nate Getz, the Psychologist to help the team with the mission and their own mental health. Also assisting the team is Dominic Vail, a new member that needs to learn how to put his knowledge to use and Henrietta "Hetty" Lange, the Operational Manager, who not only manages the money and material assets, but the team itself. They have access to the latest technological developments and they do whatever is necessary to get the job done.
Jada Khaled is abducted during an ambush, and the team rushes to save her
Nell goes undercover when a researcher for the defense department is murdered and she's asked to replace him.
The team searches for a classified device that was stolen from a college research facility and has the capability of destroying Los Angeles
Hetty is forced to fire Deeks when he makes a costly error during a stakeout; and Kensi is caught off guard by emotions that arise when she has to say good-bye to her partner
Sam disappears in the Sudan during an undercover mission with the CIA.
The agents travel to Mexico to find a box containing deadly material.
The NCIS team must determine whether a dishonorably discharged Marine is the target of an international set-up or if he committed murder
A former Navy intelligence officer is murdered, and the agents discover his double life and a possible threat to national security
The team works with the LAPD when a drug raid leads to a wanted terrorist. Meanwhile, someone steals Sam's most prized possession.
The murder of a news reporter leads the agents to a Libyan resistance movement; and Hetty reveals to Callen some details about his past.
Special Agent Sam Hanna is sent undercover as a bomb specialist as the team races to locate stolen explosives somewhere in the city. Meanwhile, to much protest, Hunter changes the dynamics of the team and has Callen part...
Special Agent G. Callen, Special Agent Sam Hanna and Special Agent Kensi Blye, travel to Romania to search for Hetty
In the second-season finale, the team searches for Hetty by trying to discover what prompted her resignation and disappearance
A Navy SEAL imposter's death gives the team a lead on a missing canister used to make deadly bombs.
Deeks goes undercover to protect a friend who is the principal informant in an arms-trafficking case.
After a rocket engine expert is killed, Eric goes under cover to ensure the classified technology used to build satellites is safe.
A Navy Intelligence commander is tracking the moves of a Venezuelan politician, then the officer disappears, leaving the team to wonder if the politician is now in danger.
Hetty and the team continue searching for an elusive book that has the attention of foreign security agencies.
The team searches for a murdered antiques dealer's missing book that contains top-secret information.
Terrorist leaders are suspected of murdering a retired Army sergeant; Deek connects with a person of interest in the case.
Callen's former partner (Marisol Nichols) takes hostages at a Navy recruitment center.
Summary: After Callen's cover is blown and compromises the unit, the NCIS team races to find out who is behind the security breach.
Summary: The NCIS team is on the hunt for a terrorist who escaped Army custody during a secretive transfer in Los Angeles.
Summary: The NCIS team races to save one of their own when they receive video evidence of Special Agent Dominic Vail being held hostage months after he was kidnapped.
Summary: LAPD liaison Marty Deeks helps the team find an infamous socialite connected to a Navy officer's murder.
Summary: When an undercover operation has the NCIS team investigating a MMA gym and its fighters, Sam Hanna is tasked with donning gloves and entering the cage for a one-on-one fight.
Summary: When a Marine is killed in a drive-by shooting, the team fears his younger brother may also be targeted.
Summary: After a sailor is killed during an underground street race, the NCIS team determines that his car had been sabotaged and contained confidential Navy equipment. Meanwhile, Callen is forced to take traffic school...
Summary: The death of a lieutenant commander appears to be suicide but the NCIS team uncovers evidence corresponding to murder. Also, Operational Psychologist Nate Getz joins Special Agent Kensi Blye in the field.
Summary: Agent Kensi Blye is shot at a local bank and the shooters are now holding every people as a hostage.
Summary: A crime scene poses a national security risk when the LA team discovers the location was used to create a deadly toxin which is now missing.
Summary: The team rushes to a crime scene after receiving an "agent needs assistance" page and learns that one of their own is in peril.
Summary: Callen takes on a mission by himself when a parolee is murdered. The team keeps track of him from a distance as Callen resurrects one of his old identities.
Summary: When a Petty Officer is murdered, a connection to Sam's life is discovered. Hetty takes a closer look at the team and how they are handling the pressures of the job.
Summary: The team must put their holiday decorations on hold to investigate a Marine's death by his cell phone blowing up. They begin to realize that they need to locate his former unit to protect them from further exp...
Summary: Abby Sciuto (Pauley Perrette) joins the Los Angeles team to investigate a chief petty officer's murder that matches the pattern of a serial killer Abby is tracking.
Summary: While Hetty is attending a Senate hearing in D.C., the investigation of a murdered Marine Lance Corporal leads the NCIS team to stolen anti-tank missiles and a dangerous militia group.
Summary: Callen finds out why he was targeted over six months ago, while investigating the death of a Russian.
Summary: The NCIS team must find a motive when they discover the body of a marine who had been living a double life as a wealthy bachelor.
Summary: When a United States citizen of North Korean descent is murdered, the secrets to classified software are thought to be lost until NCIS uncovers a suspect from Director Vance's past.
Summary: Following a murder, the secrets to classified software are thought to be lost until NCIS uncovers a suspect from Vance's past.
Summary: When a Predator Loaded with a Hellfire Missle is Hijacked and Disappears in Los Angeles, NCIS Must Track Down Its Whereabouts Before the Weapon is Unleashed on American Soil.
Summary: A case involving the murder of a drug dealer turns personal for Special Agent Sam Hanna when he discovers his former Navy Seal comrades are involved.
Summary: Callen returns back to the NCIS Office of Special Projects to solve a kidnapping case.
