Two years into their jobs as response officers Grace, Annie and Tommy are accustomed to life under the blue lights. But their work will take them into a sinister world hidden behind the veneer of middle-class life, the world of the accountants and lawyers who facilitate organised crime. The old political and criminal order has gone and a new global gang rule Belfast, bringing danger closer to home for our officers than ever before.

Produced by Two Cities Television and co-produced by Gallagher Films for BBC iPlayer and BBC One, the critically acclaimed show also stars returning cast Siân Brooke (Grace), Martin McCann (Stevie), Katherine Devlin (Annie), Nathan Braniff (Tommy), Joanne Crawford (Helen), Andi Osho (Sandra), Frank Blake (Shane), Abigail McGibbon, (Tina) Dearbháile McKinney (Aisling) and Andrea Irvine (Nicola).

The first three episodes will be directed by Jack Casey (Blue Lights 2) while actor/director Angela Griffin (Waterloo Road) will direct the last three episodes of the 6 x 60’ series.

The 6 x 60’ series, for BBC iPlayer and BBC One is co-created, written and executive produced by Declan Lawn and Adam Patterson, co-created and produced by Stephen Wright of Two Cities Television and co-created and co-produced by Louise Gallagher of Gallagher Films with support from Northern Ireland Screen. The producer for series three is Amanda Black (World on Fire, Marcella, Blue Lights S2), Episodes 1-3 are directed by Jack Casey and episodes 4-6 will be directed by Angela Griffin. The series was commissioned by Lindsay Salt, Director of BBC Drama and Charlotte Moore, BBC Chief Content Officer. The executive producers are Stephen Wright (Two Cities Television), Louise Gallagher (Gallagher Films), Declan Lawn and Adam Patterson and the executive producer for the BBC is Nick Lambon.