As a point of reference, my favorite movie is probably Black Narcissus (1947).

directors: Michael Powell, Emeric Pressburger
cast: Deborah Kerr, Kathleen Byron, Flora Robson, Jean Simmons, David Farrar, Sabu, Esmond Knight, Judith Furse
screenplay: Powell and Pressburger
source: novel by Rumer Godden
music: Brian Easdale
cinematography: Jack Cardiff
editing: Reginald Mills
production design: Alfred Junge
costume design: Hein Heckroth

Five British nuns assigned to an isolated outpost in the mountains of North India are housed in what was once harem quarters, where the lingering perfume of a bygone era conflicts with their sense of mission.