La Puerta (2017)

After the death of his father, Lucas, a 9-year-old kid with an overactive imagination, moves with his Mom to his grandparents' house. There, he will find a room full of antiques and an old door, although it is closed and he doesn't have the key. Hence, Lucas will start pondering what wonders may he encounter on the other side. 'The Door' explores mourning and grief from a child's perspective.