Teresa is terminally ill and is about to die. Her doctor, as a last resort, invites her to appear at a medical meeting. Teresa arrives on the indicated day and is called by a mysterious doctor who believes he can cure her.

Children come to a hospital to visit their dying father they haven't seen for 8 years. They try to recover their relationships before he dies.

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.