Julio Nieves is a 65-year-old foreman who has spent his entire life in the Madrid suburb of Vallecas. In the blink of an eye, he goes from contentedly facing his retirement alone to the possibility of companionship in the form of a 16-year-old girl from Marseille, who claims to be his daughter. But what if she’s not his flesh and blood? And what if Nieves takes her in to ease the pain of his own solitude? How far can people go to avoid being alone?