Desc: Sorelle per sempre: Directed by Andrea Porporati. With Marta Brocato, Anita Caprioli, Claudio Castrogiovanni, Carla Cintolo. Marinella Torrisi and Costanza Maggio attend the same school in Mazzara of Vallo. Children are confused by the teacher. Parents discover an error at the birth in hospital, when the children's identity was changed. From a real story.