atau dikenal sebagai
During the last years of Pinochet's military regime, a group of militants from the "Manuel Rodríguez Patriotic Front" plan a prison break of political prisoners, through a tunnel that will take them 18 months to dig.
Four friends visit a rural locality of Chile, are brutally attacked by a man and his son. After not finding help in the town, they decide to confront these men with the help of a pair of policemen. But in this way, they will discover that their attackers have in their blood the direct legacy of the darkest period of Chilean history and will have to face the most brutal enemy.