The NCIS team investigates the murder of a former Navy intelligence officer who had been living a double life and traveling overseas on false passports.

NCIS investigates the kidnapping of Master Sergeant Boomer, a military working dog. Also, Sam looks to sell his boat so he can take care of his father who is suffering…

Sam negotiates and Rountree goes undercover, when a man takes a busload of hostages and threatens to blow it up unless his daughter’s war crimes are posthumously cleared.

Some presumed dead crew members show up from the missing tanker that was involved in Arkady’s deal with Russia.

Sam and Callen need to get their hands on some key evidence after a U.S. Ambassador survives a terrorist attack.

The Department of Justice target a member of the team. Leon delivers unsettling news to Hetty.

The team searches for new evidence to prove Kensi Blye’s innocence after she is taken into custody as the lead suspect in a murder investigation involving her deceased father’s sniper…