Ep 16. Enigma

In NCIS season 1 episode 16, entitled "Enigma," the team is called in to investigate the death of a Navy officer who was found suffocated in his own home. As they begin to dig into the case, they discover that the officer was working on a top-secret project, and his death may have been linked to his work.

With their investigation underway, the team begins to piece together the details of the officer's life, but they soon realize that he had a complex web of relationships that makes it difficult to determine exactly who had motive to kill him. To make matters worse, they discover that the officer's project involved highly sensitive information, and there are other individuals who will stop at nothing to keep that information from getting out.

As they continue their investigation, the team is forced to confront their own personal demons and complicated relationships. Gibbs faces his own past when he discovers that the chief suspect in the case is a former flame, while Ducky is forced to grapple with the emotional turmoil of a friend who is struggling with addiction.

Throughout the episode, the team faces numerous obstacles and dead-ends as they try to unravel the mystery. But with each new discovery, they uncover another piece of the puzzle, bringing them closer and closer to the truth. Will they be able to solve the case before it's too late?

"Enigma" is a suspenseful and emotionally-charged episode that will keep viewers on the edge of their seats. With intricate plot twists, complex character relationships, and high-stakes drama, NCIS season 1 episode 16 is a must-watch for fans of the series.