During an Ulster Unionist Council meeting in 1920 to discuss partition, attendees from Donegal, Cavan and Monaghan walk out early in disgust.They feel betrayed at the decision to take only six of Ulster’s nine counties forward to be part of Northern Ireland. Tara and Declan find out why these ‘lost' counties were jettisoned from the new state and how that impacts some people living there to this day.