"Orphaned during the Second World War, Aelish and Isabel McGuire--known as the twins of Belfast--are given over to the austere care of the Sisters of Bethlehem. Though they are each all the other has, the girls are propelled in opposite directions as they grow up. Rebellious Isabel turns her back on the church and Ireland, traveling to Newfoundland where she pursues a perilous yet independent life. Devout Aelish chooses to remain in Northern Ireland...