The movie starts at the 1998 bomb attack by the Real IRA at Omagh, Northern Ireland. The attack killed 31 people. Michael Gallagher one of the relatives of the victims starts an examination to bring the people responsible to court.
Michael Gallagher
Gerard McSorley
Patsy Gallagher
Michèle Forbes
Nuala O'Loan
Brenda Fricker
Victor Barker
Stuart Graham
Mark Breslin
Peter Ballance
Detective Sergeant John White
Brendan Coyle
Stanley McCombe
Ian McElhinney
Sam Pollock
Stanley Townsend
Cathy Gallagher
Fiona Glascott
Sharon Gallagher
Pauline Hutton
Elizabeth Gibson
Kathy Kiera Clarke
Caroline Gibson
Claire Connor
Hugh
Gerard Crossan
Laurence Rush
Alan Devlin
Marion Radford
Francesco Quinn
Carol Radford
Tara Lynne O'Neill
Chief Constable Sir Ronnie Flanagan
Lorcan Cranitch
Duty Sergeant
Chris Corrigan
Patricia McLaughlin
Sarah Gilbert
Nurse
Kreeta Taponen
Anne McCombe
Brid Ní Chumhaill
Pat Doherty
Brent Hearne
Ann (Patsy's Sister)
Breige Roche