The difficult, dangerous, and selfless work of an expedition that set out for the harsh and deserted Plaza Wincul Valley in search of oil.
A celestial envoy comes to Earth to help solve some small conflicts between humans, related to their attitude and relationships.
In an institution for the blind, a man rails against his misfortune, his energy and thinking distorted by a need to fight his blindness. Unhappy and unable to come to grips with his condition, he stirs a sympathetic chord in another blind inmate. She in turn, slowly enters into a relationship with him that starts to transform the ways he perceives himself and his blindness.
