Steve is arrested on suspicion of murder but continues to protest his innocence. Kate's undercover operation unveils unexpected facts, but will it hold the key to uncovering the identity of the Caddy?
DCI Jo Davidson faces increasing pressure from all sides as AC-12 make major breakthroughs in the investigation, but an attempt to interview a key witness goes horribly wrong.
AC-12 link Gail Vella's murder with a historic case of police corruption, and Kate hatches a plan to tell once and for all if Jo is bent.
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Title: Line of Duty (2012– )
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| Series cast summary: | |||
| Adrian Dunbar | ... | Hastings 36 episodes, 2012-2021 | |
| Martin Compston | ... | Steve / ... 36 episodes, 2012-2021 | |
| Vicky McClure | ... | Kate / ... 36 episodes, 2012-2021 | |
| Craig Parkinson | ... | Cottan 16 episodes, 2012-2019 | |
| Gregory Piper | ... | Ryan 16 episodes, 2012-2021 | |
Line of Duty follows Detective Seargent Steven "Steve" Arnott (Martin Compston), a former authorized firearms officer who led an operation to catch an Islamic terrorist intending to detonate a bomb, but the strike team mistakenly entered the wrong apartment and shot dead an unarmed innocent man. In the subsequent investigation, Arnott refused to cover up negligence in the planning and execution of the raid and unable to work in his unit anymore, Arnott receives a transfer to AC-12, a unit tasked with uncovering police corruption. Arnott is partnered with Detective Constable Kathrine "Kate" Fleming (Vicky McClure), a highly commended undercover officer with a keen investigative instinct. They work under the supervision of Superintendent Edward "Ted" Hastings (Adrian Dunbar), who is one of several Senior Investigating Officers responsible for uncovering corruption within the police force. Throughout the series, AC-12 investigate seemingly disparate cases involving seemingly corrupt ... Written by World Productions
I am a crime story lover and by far this is the best (even better than scandi crime Bridges and killing)I have ever seen. The characters are complex and specially Tandi N in series 3, is the most clever criminal police woman ever! I cant say enough to justify watching this best of the British film making, so 100% try