In the sepia toned film, "Persona", the black and white qualities of the film contribute to making the movie slightly incomprehensible and open to interpretation. The decision to make this film black and white was very deliberate. It adds to the emotion of the boy's dream, for example, making it more chaotic and difficult to understand, conveying the emotions likely felt in the dream itself. Seeing as the entire movie is about a mix-up, this black and white quality, the intentional choice for a lack of color contribute to this overall plot-line, conveying more emotion than any other color could. In this film, sepia tones are doing the work of color.