Martina, aged 5, lives with her parents and baby brother Salva. Martina has to renew her identity document. Her mother explains that for her paperwork they will take a picture of her and she will have to sign. Martina wonders what signing is.
Lucia, Carla and Nico are three siblings who have lived together peacefully for years. Carla has always been special, until one day that which makes her special disappears, or rather, do they think it disappears?