Two young farmers are visited by a stranger who wants to spend the night.

The naive sailor Ron arrives in Bahia to visit the famous Água dos Meninos street market. There, however, he is passed behind by the prostitute Maria, lover of the bandit Chico Diabo, who stabs him. He, however, can't forget her.

Two young farmers are visited by a stranger who wants to spend the night.

Our planet was contaminated by many nuclear explosions that left the soil and the air filled with radiation, and now the few survivors of those catastrophic events live under the ground on a shelter controlled by scientists. After an incident inside the shelter, a group of rebellious scientists defy their leadership when they find a good possibility of returning to the surface.