During the Irish Civil War of 1922 IRA Chief of Staff, Ernie O'Malley based his HQ on a secret room in the home of Society belle Sighle Humphreys at 36, Ailesbury Road, Dublin 4 (Now the French Embassy). When the inevitable raid came, Sighle and Ernie shot it out together against a large unit of Free State soldiers. One man was killed. Ernie O'Malley was riddled with bullets and arrested - bringing the fledgling Free State one step closer to victory over the Republicans. Sighle and her family, descendants of the O Rahillys of Ballylongford were thrown into jail where they joined their comrades on hunger-strike. Presenter MANCHÁN MAGAN is Sighle's grandson and in this programme he sets out to reveal the truth behind the myth