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Line of DutySeries 3Episodes

    Episode 6

    6/6Does DC Kate Fleming's undercover operation hold the key to the identity of the Caddy?

    Episode 5

    5/6Loyalties are divided when DS Steve Arnott comes under scrutiny from his colleagues.

    Episode 4

    4/6Fresh testimony launches AC-12 back on the trail of a corrupt officer.

    Episode 3

    3/6DS Steve Arnott believes there is a dark secret in Danny Waldron's past.

    Episode 2

    2/6After the shooting at the drugs house, DC Fleming increases the pressure on Danny Waldron.

    Episode 1

    1/6Sergeant Danny Waldron and his armed response team shoot dead a hardened criminal.