Elizabeth is a highly renowned actress who has lost her ability to speak, Alma is the nurse responsible for helping her through her psychological, rather than physica,l ailment. As the relationship between the two women develops Alma seamlessly becomes Elizabeth's voice, the start of a metamorphosis that sees the very essence of who they both are beginning to blend. Bergman's remarkable voyage of the psyche is deemed one of his very best, visually stunning and hypnotically intense.