Twelve years after the tragic death of their son, Diana and Martín decide to meet again during a weekend in their old house by the lake. Diana is a specialist in artificial intelligence and is training an AI in the complexity of human emotions. Martín gave up his job and withdrew from society. When an enigmatic young man with a mysterious resemblance to their deceased son appears in the house, old traumas and secrets come to light. The future of humanity may well depend on their past. Director Alberto Gastesi has created a moving sci-fi drama in which grief, loss, and artificial intelligence give us a glimpse of what might be in store for us.