At a home in Malibu, California, three masked intruders steal a large sum of money; two men die; the LAPD requests help from the NCIS; Director Vance refers the case to the OSP in Los Angeles. Sam and the gang figure it out and work it out.

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.

While Rose does an autopsy, two intruders blow away her assistant and steal the corpse and a van; she calls the Callen team, who investigate because of an apparent Navy connection. The team slowly figure out the puzzle.

A man stops an ambulance, kills the EMTs, stabs the patient, and removes an object from his chest; the victim was a civilian scientist working for the US Navy; G and Callen put the puzzle together and find both the killer and the object.

Two weeks ago a Marine lieutenant, Edwin, died in Afghanistan; the local civilian coroner has done an autopsy by the request of the widow, Antonia; she also has hired a private investigator, Stuart, to look into the circumstances; last night someone killed Stuart by slitting his throat; Callen and company investigate. G and Sam meet Antonia, who describes her suspicions about a cover-up; Rose, a medical examiner, explains about the harvesting of tissue, but Antonia objects, saying that Edwin was not an organ donor; Edwin's file has disappeared from the coroner's office. Nate shows up at Hetty's request. Rose becomes a person of interest, and Hetty sends Nate to question her; he takes her to the chat room at the boathouse; a picture begins to appear; Hetty and Nate visit a funeral home, as do G, Sam, Kensi, and Deeks, and they grab the head man; the team finish figuring out the whole thing, and they attend a burial with military honors.