Nik, after the sudden departure of his son Gus, is left alone. He sleeps in his son's bed, without touching anything in his room. He also regularly charges the battery of his son's cell phone, that has been quiet for the past three months; one night, all of a sudden, the cell phone receives a text message from Adele, a Gus' old classmate, who just came back to Italy and who thinks he is still alive. Nik, struck by this unexpected situation, plays the game: he pretends he is Gus and starts a very intense communication, made up of little and endless nightly phone calls, that help him cope with his solitude, letting him discover a secret and sensitive past of the two kids, that becomes a frightening real and intense present, when...