A Navy culinary specialist is targeted while visiting her family's restaurant; Brody heads to Washington D.C. to follow up on a lead involving the leak case.
During the investigation into a reservist Navy Seal surgeon's death, the NCIS team calls upon the help of Vance's daughter and recent NCIS trainee Kayla.
A Philadelphia Navy petty officer is murdered and after NCIS is called in to investigate, Parker must face a delinquent past that he thought he left behind.
An infamous arms dealer is released from prison and soon enough the kills start racking up, forcing Torres to deal with the consequences of his actions.
The team goes after a gang of teenage partygoers after break-ins hit Marine Base Quantico, with Special Agent McGee growing close with one of the teens.
The team looks into the death of a Navy reservist and investigative journalist; Knight and Jimmy's new romance is derailed by a vital organ transfer gone wrong.
As Parker and Vivian continue on the run, his teammates look into his past in an effort to clear his name by calling in favors from the NCIS: Hawai'i experts.
Rossi's daughter seeks help with an investigation into a college student's disappearance; Giuseppe Montolo is killed after warning Morgan of a hitman crew.
The BAU travels to Phoenix to track down an UnSub who deprives kidnapping victims of sleep; Hotch and Garcia must handle a threat concerning a hitman group.
The BAU and the NSA work together to investigate whether an underground Internet drug syndicate is involved in the deaths of two undercover DEA agents.
The BAU investigates when two victims turn up dead, and they find the UnSub they are looking for may be obsessed with using humans for medical experiments.
The BAU searches for an UnSub who may be using a taxi or ride-share service to draw in their targets and then dropping their dead bodies off in public areas.
An informant and a disastrous breach in security is discovered when the team works with the Department of Homeland Security to locate 900 pounds of explosives.
Pride and the team's investigation into the death of a decorated petty officer inside a sports arena is linked to the abduction of another petty officer.
The NCIS and the FBI launch a joint investigation after three sailors are killed in a private plane crash in the bayou; Sonja and Lasalle hold interviews.