A host of personalities reminisce about the life and work of songwriter, lawyer, and congressman Humberto Teixeira — aka "Baião Doctor" — the author of such classic Brazilian popular songs as "Asa Branca". A musical film about the baião, a movement in Brazilian music in the 1940s and 1950s that was later snowed under by samba and bossa nova.

The clandestine congress of the National Union of Students, held in October 1968, resulted in the collective arrest and registration of 700 students who opposed the dictatorship.