Teenage swimmer Olivia's main goal is to enter and win the Brazilian National Swimming Championship: an already-difficult task, made harder by her struggle with anorexia and the daily pressures of family and friends. However, her friend Ana seems to approve of her idea of persisting in illness.

21 sequence shots depict moments in a defining night of the Battle of Rua Maria Antônia, in October 1968, from the point of view of the students and professors of the Left-wing Student Movement, in the Philosophy Faculty building of USP.