The life of Luz del Fuego, her artistic performances and involvement with naturism. One of the great Brazilian feminists and precursor of the Brazilian naturist movement.

It starts between two children: Júlia and Augusto. He comes back later, after graduating, and they revive the flame of yore. Júlia's father refuses Augusto's request and contracts her marriage with a farmer, his friend. The girl is poisoned. Her father injures Augusto. Julia does not die, because she has only taken a narcotic.