With Prince Charles and Camilla, the Duchess of Cornwall, due to visit Co Sligo this month, this documentary tells the story of the August bank holiday in 1979, when an IRA bomb killed four people on a boat off the coast of Mullaghmore, including the Queen's cousin Lord Mountbatten. Presented by Tommie Gorman, there's also an interview with former President Mary McAleese, who was head of state during Queen Elizabeth's historic visit here back in 2011.