The social project of a teacher faces failure as the pupils' priorities are love affairs and work. Their days are devoted to desire and Brazilian funk, seeking an utopic independence, while reality creeps up on them.

At a supermarket, Magno watches over boys with backpacks as they go along the corridors. Meanwhile, the night drags on slowly for Bismarck, a cashier.

During Rio's Carnival, a street cleaner struggles with the loss of his sister and his work obligations. Amid the celebrations, he finds a lost child and sets out to help him.