Tras el presunto suicidio de su hermano sacerdote, Grace viaja al remoto convento escocés donde cayó muerto. Desconfiando de la versión de la Iglesia, descubre un asesinato, un sacrilegio y una inquietante verdad sobre sí misma.

An expecting Mother and husband crash their car in the countryside and are offered shelter by a farmer and his wife. Rachel soon realizes the farmer's children are in fact stolen. Just as they try to escape from the farm.