NCIS: Los Angeles - Season 1 (2009)

A discharged Marine, now an employee of a security firm working for the US government, returns to LA from Baghdad, accused of having killed an Iraqi; Vance tasks the Callen team to find the Marine; they find him and figure out everything.

An electronics engineer (who defected from North Korea) dies of a gunshot; his firm just won a contract with the DoD to create a communication system for the Marine Corps; Callen and company investigate; they find and lose the assassin.

A Marine corporal from Camp Pendleton dies by falling from the roof of a hotel in Los Angeles; while investigating, the Callen team find a connection with counterfeiting; the Secret Service joins; the feds find and catch all the bad guys.

An unident young woman dies while making a video recording; the LAPD contacts the NCIS; while investigating, Callen and company find connections and coincidences going back 10 years to Moscow; after hide-and-seek the team cuff the bad guy.

A lance corporal in the Marine Corps Reserve dies of garroting; he was an informant about the theft of six missiles from the Marine Corps Base; while investigating, G and Sam go undercover; with help they get the bad guys and the missiles.

A Navy Chief Petty Officer, who worked on classified technology, is murdered. The team search for a killer with a particular MO.

A discharged Marine, who served as a staff sergeant in Iraq with an EOD unit, dies of a detonation of an explosive device in his cellphone; the Callen team investigate, find three fellow EOD Marines, solve the case, and catch the bad guy.

An impaired driver crashes a stolen car into a strip joint; the driver dies, as does a patron, a Navy petty officer; the Callen team investigate; G finds a body inside a refrigerator, and Sam gets a promising lead; they grab the bad guy.

A disguised gunman executes a taxi driver; the cabby was a former Navy systems technician and petty officer third-class; G is involved as a former alias in an old case; the Callen team investigate; they find the pieces and the bad guy.

Dom, using his cellphone, broadcasts messages seeking help; they respond; they find Dom's car, unoccupied and bloody, but there's no sign of him. Eric provides leads, which they trace, and they make some progress, but Dom remains missing.

A TV reporter accompanies a group of ATF agents on a raid of suspected gunrunners; on the deck they find the bodies of five civilian men, already dead, two of whom (career criminals) wear authentic uniforms of the US Marine Corps and bear counterfeit ID cards; Director Vance orders the Callen team to investigate. G and Sam find dead birds and squirrels; Eric and Kensi find telephone traces and a street address, which allow the team to meet Esther, a sweet elderly retired researcher in biological warfare, who now suffers from Alzheimer's disease. Esther tells about her...

Last month in Baghdad during an ambush of a convoy, one US Marine died, and six sustained injuries, then a robbery took $5M of US funds; now a clue leads to a connection in the LA area; the Callen team get the cash, the bad guys, and more.

A driver spots the body of a Naval officer, hanging from a highway overpass; the victim was a submariner, nuclear physicist, lieutenant commander, and XO of a fast-attack boat; Callen and company solve the puzzle and grab the last bad guy.

During a drag race a Navy yeoman dies in a crash; Callen and company investigate; the victim worked on something highly classified. Sam suggests the possibility of homicide. The team work on the puzzle; Kensi finds the last piece.

While a Marine gunnery sergeant, Wendell, walks down a sidewalk by night in Los Angeles, two cars roll by, and four gunmen with AK-47 machine guns shoot him to death; Callen and company investigate; G and Sam visit Wendell's father, learn about James, a younger son, and find themselves in a hail of gunfire; Sam says that the weapons and the ammo are the same as what killed Wendell. Eric finds two links to the same black street gang; G and Sam check out James's place of employment, and they find him inside Wendell's pad; while Nate spends time with James, the three ...

A Marine is found in an alleyway bleeding out from his eyes, ears and mouth. The team must determine whether he was the victim of a bio-agent and who killed him.

At 02:15 one morning a Navy lieutenant (j.g.), Brian, with two gunshot wounds, in a car not his own, drives into a canyon from Mulholland Drive in Los Angeles, then dies; Callen and company, including Deeks, investigate; Deeks has a couple of awkward moments; the team pick up several clues about the circumstances of the preceding night, including Aubrey, a young socialite woman. Kensi and Deeks speak with Aubrey's stepfather. G, Kensi, and Deeks go nightclubbing; Kensi discovers an alive missing girl, and she says that a victim just became a suspect; the team meet ...

Dom shows up as a prisoner on a jihadist website; the OSP team swing into action; Sam sees his friend Moe; a runner provides a lead to a wealthy source of funds for terrorism; Dom escapes with help, and Sam finds him but not soon enough.

At the Van Nuys Airport, while two boys watch and record flight ops, a bizjet arrives with a prisoner, a shoot-out occurs, and the prisoner (the leader of the TaJ) vanishes; G and company get him, and G figures out the rest of the story.

While undercover G realizes that someone tails him, G chases him and watches while the tail dies; G becomes a ghost; two weird phone calls lead to major confrontations with Bulgarians and computer problems. G and the team walk away safely.

While G, Sam, and Kensi visit Keelson's computer center and physical records, the computer files self-destruct, and the premises ignite and burn; however, they rescue several documents, which include a list of G's 37 foster homes and orphanages plus five more addresses, which he does not recognize. The team, tracing clues, find a birth certificate for Amy Callen, now known as Amy Taylor; Hetty sends Sam and Kensi to Amy's place but chats up G; Eric gives G some data; Sam and Kensi find a tossed pad with nobody at home; G pursues a lead and finds a trashed home, the ...