Lucia talks to the ghosts and recites some kind of spell in her native Portuguese language. It is inferred that she is a witch. This may be an implicit reference to Julio Cortazar's Rayuela, whose main character, La Maga (real name, Lucia), is also a witch, of Uruguayan descent. The image of both heroines is very similar, in addition to the name. And Rayuela is also set in Paris.
Sophie Niedergang's debut.