Sara Keane's husband, Damien, has uprooted them from England and moved them to his native Northern Ireland for a "fresh start" in the wake of her nervous breakdown. Sara, who knows no one in Northern Ireland, is jobless, carless, friendless--all but a prisoner in her own house. When a blood-soaked old woman beats on the door, insisting the house is hers before being bundled back to her care facility, Sara begins to understand the house has a terrible history her husband never intended for her to discover. As the two women form a bond over their shared traumas, Sara finds the strength to stand up to her abuser, and Mary--silent for six decades--is finally ready to tell her story...