Line of Duty: Overview of the British Crime Drama

3 February 2026 Television

Introduction

Line of Duty is a British crime drama that has attracted attention for its focus on police corruption and internal investigation. The series is relevant to viewers interested in contemporary crime storytelling and institutional accountability. As summaries from major outlets indicate, the show centres on an anti‑corruption team and a sergeant whose decisions drive much of the drama.

Main body

Premise and central character

At the heart of Line of Duty is Detective Sergeant Steven “Steve” Arnott, played by Martin Compston. Descriptions of the series note that Arnott is a former authorised firearms officer who is central to early events in the story. One synopsis highlights that Arnott refused to be involved in a police cover‑up and subsequently joined an anti‑corruption team, a plotline that establishes the series’ moral and procedural conflicts.

Team and investigative focus

Broad descriptions from industry databases characterise Line of Duty as following a team of elite detectives tasked with investigating police corruption. This framing places the series within the subgenre of procedural drama that examines law enforcement from an internal perspective, focusing on the methods and challenges of uncovering wrongdoing within the police service.

Availability and reception

Listings such as TV Guide include guides on where to watch and stream Line of Duty, reflecting the series’ accessibility across viewing platforms. Critical summaries, including those on Rotten Tomatoes and IMDb, emphasise the central moral dilemma of a sergeant confronting a potential cover‑up and the broader institutional investigations conducted by the anti‑corruption unit.

Conclusion

Line of Duty presents a concentrated study of police accountability through the lens of an elite investigative team and a principled sergeant, Steve Arnott. For viewers and readers, the series offers a procedural approach to questions of corruption, duty and professional ethics. As sources indicate, its combination of character‑driven conflict and institutional inquiry continues to define its appeal and makes it a point of reference for contemporary British crime drama.