Series NCIS 1 season

Story

The opening season follows a team of special agents handling cases linked to the personnel of the United States Navy and Marine Corps. Their investigations range across murder, espionage, terrorism, and the theft of submarines, bringing the team into contact with crimes that can involve anyone, regardless of rank or position. Each case combines procedural investigation with the wider pressures surrounding military service, national security, and duty.

With its broad range of cases, the season moves between criminal mystery, action, and suspense. The connection to the Navy and Marine Corps gives the investigations a distinctive setting, while the team's work demands careful analysis, persistence, and cooperation. The stories keep their focus on the evidence, the people affected by each crime, and the difficult questions that emerge when military institutions become part of a criminal investigation.

Overview

NCIS blends action, crime, adventure, and drama within a series of investigations conducted by specialized agents. The season introduces a world where espionage and terrorism can stand alongside more conventional crimes, creating cases with both personal and institutional consequences.

Produced in the United States and guided by Donald P. Bellisario, the series builds its identity around the relationship between investigative work and the military community it serves. The varied cases provide a changing pace and atmosphere, while the central team remains the steady point of connection throughout the season.

Cast and Characters

Sean Murray and Mark Harmon lead the credited cast. Their performances anchor the investigative team and support the series' balance of professional procedure, action, and character-driven drama. Donald P. Bellisario provides the series direction.