Line of Duty - Temporada 4

The fourth series sees AC-12 facing their most devious opponent yet! Under pressure from her superiors, DCI Roz Huntley charges a young man with a series of murders after months of fruitless investigation, but is he guilty? The Chief Forensic Investigator has doubts and turns to AC-12.

• T4 E1 - Episodio 1

• T4 E2 - Episodio 2

• T4 E3 - Episodio 3

• T4 E4 - Episodio 4

• T4 E5 - Episodio 5

• T4 E6 - Episodio 6