Persona (1966)

Plot

Alma, a dedicated young nurse, finds herself assigned to care for Elisabeth Vogler, a mute actress who appears physically well but refuses to communicate. As the days go by, Alma engages in endless conversation, pouring out her thoughts and feelings, yet Elisabeth remains silent. Their peculiar relationship begins to blur the lines between caretaker and patient, revealing deeper psychological layers as Alma grapples with her own identity and the enigma of Elisabeth's silence.