Following the tragedy at the hospital, AC12's Kate Fleming is planted undercover in Lindsay Denton's Missing Persons Unit. But Lindsay in turn gathers compromising evidence against the anti-corruption team.

Line of Duty Season 2 Episodes...

• s02e01 - Series 2, Episode 1
• s02e02 - Series 2, Episode 2
• s02e03 - Series 2, Episode 3
• s02e04 - Series 2, Episode 4
• s02e05 - Series 2, Episode 5
• s02e06 - Series 2, Episode 6

Line of Duty Show Summary

Steve Arnott is a young officer who's fallen foul of his superiors for refusing to help in the cover-up of an operation that ended in the shooting of an innocent father. He seems ideal to join AC-12, an anti-corruption police unit, just as it starts to investigate Detective Chief Inspector Tony Gates, the regional force's Officer of the Year.