Here is the first look at the second series of BBC Two’s best-performing drama series in 10 years, Line of Duty.

Martin Compston, Vicky McClure and Adrian Dunbar return as anti corruption unit AC-12, in the Jed Mercurio and World Productions police drama.

Spooks and Ashes to Ashes star, Keeley Hawes and Casualty‘s Mark Bonnar also join the series two cast.

Line Of Duty is due to return in 2014.

Watch the trailer below…