Agreement is set in April 1998 as the main political parties in Northern Ireland, the British government and the Irish government, all under the watchful eye of Senator George Mitchell, try to hammer out a deal that could pave the way for peace in Northern Ireland. The production revisits the days leading up to the signing of the historic accord and features the main players involved in the discussions, including Mo Mowlam, Senator Mitchell, John Hume, Tony Blair, Bertie Ahern, Gerry Adams and David Trimble.