S4·E1 Episode 1
Core
Aired March 26, 2017
Synopsis
DCI Roz Huntley is under intense pressure from her superiors to apprehend a serial murderer after months of fruitless investigation.
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Frequently Asked Questions
When did Season 4 Episode 1 of Line of Duty air?
Season 4, Episode 1 ('Episode 1') originally aired on March 26, 2017.
How long is Season 4 Episode 1 ('Episode 1')?
The episode follows the standard broadcast runtime for Line of Duty.
What happens in Line of Duty Season 4 Episode 1?
DCI Roz Huntley is under intense pressure from her superiors to apprehend a serial murderer after months of fruitless investigation....