MI5 intelligence officer Liz Carlyle has just been despatched to Northern Ireland. In Belfast, Liz and her team are monitoring the brutal breakaway Republican groups who never accepted the peace process and want to continue their 'war'. Intelligence is focused on the shady Fraternity, with links to drug-running, arms-dealing and organised crime. It is a perilous group to become involved with. Especially if your informant turns tail...