Lurgan, Northern Ireland, 1975. Protestant Alastair Little, 17, yearns to be a man and take part in the struggle against the Catholics. Sourcing a gun, he targets local lad Jim Griffin, murdering him in his home, in front of his younger brother Joe. Now, 30 years later, Joe and Alistair are to be brought face to face on live television. But can they put the troubles behind them, and move on from the violence of the past?