Ep 1. Nature of the Beast

In the season 9 premiere of NCIS, titled "Nature of the Beast," the team is thrown into their most complex case yet. A mysterious explosion has taken place on a Navy ship, killing a number of sailors. The team quickly discovers that the explosion was not caused by an accident, but instead by a calculated act of terror.

As the investigation unfolds, the team begins to uncover a web of deceit and corruption that involves several high-ranking Navy officials. Evidence points to an international terrorist organization, and the team must race against time to prevent further attacks.

Meanwhile, Agent Tony DiNozzo's personal life takes an unexpected turn when he receives a shocking letter from his father. The letter brings up painful memories from Tony's past and forces him to confront some difficult truths about his family.

As the team works to track down the terrorists and protect their country, they must also grapple with their own personal demons and unresolved issues. In the end, they will need to rely on each other more than ever before to solve the case and bring those responsible to justice.

With pulse-pounding action, compelling characters, and intricate storytelling, "Nature of the Beast" is a thrilling start to NCIS's ninth season. Fans won't want to miss a minute of the action as the team fights to keep America safe from harm.