When the NCIS team learns of a shocking murder of one of their former investigative assistants, they soon find out that the victim has been selling information on how to rob a warehouse full of expensive possessions. Meanwhile, a new special agent is added to the team.

The NCIS team has to locate the family and the murderer when a Marine is found beaten to death in his own backyard.

The NCIS team partners us with the Coast Guard Investigative Service when they have to investigate the murder of a marine on a dinner boat cruise.

When a Navy petty officer that was supposed to testify in an upcoming murder trial suddenly goes missing, the NCIS team gets help from the deputy district attorney to find the missing witness.

After an ambush changes the course of the their investigation, the NCIS team has to quickly find answers, and one team member flashes back to their very first NCIS assignment.

The team has to protect Ziva’s father when he attends the NCIS conference, which has Ziva confronting her past when a couple of unexpected surprises occur.

Gibbs has to face his past once again as he goes to Mexico, where he is forced to make a big decision with great consequences.

The NCIS team comes to a surprising discovery while investigating the shocking murder of their own team member.

The NCIS has to find a serial killer, and their investigation leads them to a surprising revelation. Meanwhile, McGee tags along with Abby to the south of the border, where Abby has to make a speech.

DiNozzo becomes obsessed with finding a woman whose brother has been murdered, while the team searches for the man’s killer.