Veteran Garda Detective Brown finds himself caught in the middle of a deadly game of cat and mouse between gun-wielding vigilantes and Dublin's drug gangs. Someone is dealing out deadly justice to drug dealers, and Brown must stop them before another corpse turns up. Can he trust Macker, his petty criminal tout? Is he telling Brown all he knows? Have antidrug activists, Billy and Mary O'Neill, really turned their backs on violence? When a criminal kingpin comes out of hiding, things really heat up. Just when Brown plans to draw the net over drug dealers and vigilantes alike, the tables are turned with deadly consequences.