Sister Clodagh leads four nuns on a trek through the Himalayan mountains to establish a school and hospital in a disused palace thousands of feet high on the edge of a cliff. But although the women are able to endure the severe climatic conditions, they have trouble coping with the loneliness of life in such a remote region. Several of the sisters find that their commitment to a religious vocation has waned, and they must face up to the difficulties posed by impure thoughts and sexual temptation.



























