After the death of his wife, Angel, a university professor and writer, he falls into a severe depression. He flees to his house in the country, but there the evil is accentuated, which leads him to an attempted suicide that Teresa, his young neighbor, saves him. Angel starts a relationship with her and her partner, Alberto. Soon he falls in love with Teresa and, through a passionate relationship, he frees himself from his torments. Teresa, Alberto and her theater group on stilts ask her to write a play to represent her in the town. Obsessed by Teresa, she is vivified with this experience with the young, but she soon moves away from him carnally. This rupture desperate and as Teresa disabuses him of any possibility of continuity, in the mind of Angel reappears suicide as the only solution

A mental patient in a psychiatric hospital is escorted into an operating room, where electrodes are attached to her scalp. The doctors dissect his brain and we enter the brain with a loud, jarring cry. In this space detached from reality, a group of actors perform elaborate interpretive dances. They jump, land on top of each other, place their hands on their bodies and form various shapes.

A political prisoner in a South American dictatorship escapes and is pursued throughout the country by a bloodthirsty dog.