Mari Gaila (Silvia Pinal), is an adulteress who lives between ragged, thieves, prostitutes, dwarfs and other misshapen beings, in a rare box at a country and a vague time. Her husband, is a poor sacristan who agrees with other relatives to do business with the display of his orphaned nephew, a mentally retarded dwarf. Caught in committing adultery with her lover, Mari Gaila is caged naked and punished by the people.

Sumergido en un mundo de ladrones y prostitutas se desarrolla una vez mas el drama del adulterio. Mari Gaila es una ardiente mujer cuya belleza la atraen deseos y toda clase de pasiones. La chusma sorprende a Mari Gaila en pleno adulterio con un aventurero y una amiga, y después de hacerla bailar desnuda, la llevan así ante su marido.