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.

While opening a safety deposit box at a local bank, NCIS Special Agent Kensi Blye is shot after three armed assailants enter and hold everyone in the building hostage.

The murder of a recently released convict forces Callen to go undercover solo as an old alias, while Sam and the LA team track him from a distance.

The team rushes to a crime scene after receiving an “agent needs assistance” page and learns that one of their own is in peril.

The death of a Petty Officer leads the NCIS team to a teenager in Sam’s life. Meanwhile, Hetty is concerned about the effect that the workload is having on the…

As the courtyard is being transformed with holiday decorations, the NCIS team races to solve the murder of a Marine by an exploding cell phone and to find the remaining…

Forensic scientist Abby Sciuto joins the Los Angeles NCIS team when a murder case resembles the pattern for a serial killer she has been tracking.

Following the murder of a Russian woman, the NCIS team uncovers evidence that answers who and why Callen was shot six months ago.

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.

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.

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.

The NCIS team searches Los Angeles for the lead suspect of a murdered Iraqi businessman, a former Marine who had been hired by a private security firm to protect him.

The team is assigned to track down a missing unmanned aerial vehicle (UAV) after it is compromised during a training exercise killing a marine before it disappears.

Callen returns back to the NCIS Office of Special Projects to solve a kidnapping case.

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.

Kreizler confronts the demons of his past. Moore tells Sara the truth. Connor takes matters into his own hands. The team closes in on the killer as time is running…

Kreizler mourns the loss of a friend. Sara pushes the team to forge ahead. Moore warns his friend the killer will strike again. Cyrus seeks revenge.

Kreizler and Moore follow a lead. Sara visits a hospital and is forced to confront her past. Cyrus, Kreizler’s carriage driver, recovers from his injuries. Byrnes and Connor plot against…

Kreizler and Moore travel to Washington D.C., Sara goes rogue in pursuit of the truth. Lucius tells Marcus a secret. Byrnes and Connor tighten their grip on the investigation.

The team hatches a plan to catch the killer. Moore checks in on a friend. Kreizler faces his own self-doubt about the investigation. Roosevelt attends an event with the city’s…

Innovative evidence leads the team to discover a crucial element in the case is missing. Kreizler and Moore interview a witness to find out what happened to Moore at the…

The team learns more about the killer. Moore and Sara share an intimate moment. Kreizler seeks advice from an old mentor. Roosevelt takes action.

Kreizler and Sara discuss the capacity to kill. Moore goes on a date. Byrnes and Captain Connor keep an eye on a potential suspect. Roosevelt finds himself under public scrutiny.

A young boy prostitute is butchered on the Williamsburg Bridge, alienist Laszlo Kreizler, newspaper illustrator John Moore, secretary Sara Howard & police commissioner Theodore Roosevelt investigate outside the law to…

Sara finds a clue and Kreizler tries to connect the evidence left behind by the serial killer. Kreizler takes Moore, Sara, Marcus and Lucius to Delmonico’s in New York and…

Conrad’s ex-fiancé, Catherine, is admitted to the hospital with abdominal pain that proves to be quite the medical mystery. As Conrad doggedly tries to figure out her diagnosis and fights…

Much to Bell’s dismay, Nic and Conrad decide to admit a homeless Jane Doe, whom they suspect was dumped off by another hospital during Chastain’s big Charity Ball. Elsewhere in…

Conrad goes head-to-head with Lane when he disagrees with her over a treatment plan for a terminal cancer patient. Tensions rise when Jude inserts himself in the middle by offering…

Three concurrent surgeries at the hospital push its staff to the limits. Determined to ease the pressure, Nic requests Jude for one of the operations, making Conrad jealous. Meanwhile, Dr….

As Conrad battles a group of overly aggressive attending physicians on behalf of a patient with a mysterious chronic ailment, he also must face off against his father who has…

An old army buddy and fellow surgeon visits Conrad at the hospital. Meanwhile, the team is put to the test when they have to save the life of an uninsured…

After a mix-up in the ER causes Conrad to deliver a death notification to the wrong family, he sets out to fix it. Meanwhile, Nic struggles to find a patient’s…

On his first day as an intern, an idealistic Dr. Devon Pravesh faces the harsh realities of medical care, as third year resident Dr. Conrad Hawkins takes him under his…

Conrad receives the call he’s been waiting for when a heart becomes available for a patient who has been on the transplant list for two years. But when a congressman…

Jake and Charles realize that they’ve been suckered into the cult-like NutriBoom pyramid scheme, and must find a way to sever their contracts.

Jake invites his newly discovered half-sister to stay with him in New York, but when he and Amy realize she’s a bit of a nightmare, they must find a way…

Jake surprises Amy with an investigation into a string of arsons connected to her favorite crossword puzzle author, Vin Stermley. Meanwhile, Gina helps Holt jazz up his Commissioner candidate speech,…

Jake is called upon to negotiate a hostage situation with a jewel thief, only to discover that the culprit seems to be a familiar face. Amy and Gina help Charles…

Jake embarks on an all-night long interrogation in order to elicit a confession out of a suspect. But when Captain Holt skips the opera in order to stay back and…

When Seamus Murphy returns to redeem the favor Holt owes him, the precinct searches for a loophole that will allow Holt to uphold his end of the bargain without breaking…