Trini - flamenco dancer, her husband - a famous bullfighter. The couple have a son Damien - the joy and hope of the parents. In a family, everything was good, but when the boy became a teenager in the house started to happen strange events, and parents began to pursue failure. The child has changed dramatically, and Trini began to suspect that he is possessed by an evil spirit. The woman turned to the priest, and you will help her father to Lenin to deal with the demons, and not by scripture, and it is a real rifle.