Darren Tracey (Robert Sheehan) is returning to Ireland for a weekend to celebrate his brother's release from prison. Darren has been living in Spain, on the run from charges of gun possession. Tommy (Killian Scott) is meant to collect Darren's brother from outside the prison but gets sidetracked by Darren's sister Mary (Ruth Bradley). When one of the gang is brutally murdered, tensions run high and revenge is on everyone's mind.