The Naval Criminal Investigative Service's team, led by Special Agent Leroy Jethro Gibbs, conducts criminal investigations involving the U.S. Navy and Marine Corps.
After Ducky is stabbed at a crime scene, the team uncovers disturbing secrets from the doctor's past.
Love & War
The team discovers a link between a sergeant's murder and his possibly treasonous private life.
Demons of the past come back to haunt Gibbs when he finds a cryptic message waiting for him at a crime scene.
A murder prompts the reopening of one of Tony's old investigations, leading Gibbs and DiNozzo to reverse roles to solve the case.
South by Southwest
When an agent is gunned down, Gibbs and Tony try to locate a woman in the desert who might have answers about his murder.