A Causa Secreta.

Theater director asks his actors for a research on human cruelty and misery in Brazil, while trying to raise funds for his next production, a play based on a story by Machado de Assis, "A Causa Secreta" (The Secret Cause). The troupe oblige and go around town witnessing long lines in National Health Services, inhuman conditions in public hospitals and poor people being constantly humiliated. They find people are becoming indifferent to human suffering.