Crime is a way of life for the Devlin brothers. Groomed at an early age and trained as criminals by local gangsters, the Devlin brothers get their thrill out of creating fear among their victims. They have a macabre pact; not to be arrested or caged. 
Brutality hits the town of Harrowfield when the scourge of the community is found dead, his companion slaughtered. The locals react with praise for the killers. 
The same day firefighters respond to a fire but lose the fight to save Merton Manor. Amongst the debris two bodies are discovered; executed. 
As Dylan struggles to cope with the pressure, armed officers await his judgement call. 
Can he remain professional or will he release his anger?