Change of Habit is a 1969 American crime drama musical film directed by William A. Graham and starring Elvis Presley and Mary Tyler Moore. Written by James Lee, S.S. Schweitzer, and Eric Bercovici, based on a story by John Joseph and Richard Morris, the film is about three Catholic nuns, preparing for their final vows, who are sent to a rough inner city neighborhood dressed as lay missionaries to work at a clinic run by a young doctor. Their lives become complicated by the realities they face in the inner city, and by the doctor who falls in love with one of the nuns.

Plot

Dr. John Carpenter is a physician in a ghetto clinic who falls for a co-worker, Michelle Gallagher, unaware that she is a nun.