Rocky Ros Muc tells the compelling story of one of Ireland’s lesser-known sons, who came from humble beginnings to becoming a boxing legend challenging for a world title. From the quiet Galway village of Ros Muc to the criminal underworld of Whitey Bulger and the mean streets of Boston, this documentary examines not just determination and spirit inside the ring but troubles outside, exploring the reality of emigration and life on the fringes.