Ignacio is a man who has lost everything trying to find a family secret buried in the walls of the house that belonged to his grandparents. One morning, when he arrives at the house to continue his search, he finds the property has been taken by a gang of drug traffickers to be used as a cocaine laboratory. The destiny will combine his history with a Venezuelan migrant named Tita, the guard of the lab. They have a first violent encounter, but then she will gradually decide to meet the strange person who perforated the walls of the house. Both will feel a deep connection that will have drastic repercussions on their lives.