Documentary telling the story of the life and legacy of Martin McGuinness, three years on from his death at the age of 66. The Sinn Féin politician led a remarkable public life that spanned 45 years and brought him from renegade to the highest office in government - going from IRA leader to Deputy First Minister of Northern Ireland. Featuring contributions by former UK Prime Minister Tony Blair, ex-US President Bill Clinton and former Taoiseach Bertie Ahern, among others