In this true story, Veronica Guerin is a investigative reporter for the Irish newspaper. Guerin makes the decision to continue and expose people responsible, as the drug trade starts to bleed into the conventional. Beginning in the bottom using addicts, Guerin gets in touch with John Traynor. Maybe not the ruthless head of the operation, to John Gilligan, who doesn't take kindly to the nosing of Guerin, Traynor leads her with no prodding.