A powerful entrepreneur wants to build an exclusive resort hotel in Villanova, but he discovers the location he has in mind is protected by local land-use regulations. He hires Maria, a beautiful and elegant prostitute, to seduce the mayor, leaving him open to blackmail if he won't give the entrepreneur what he wants. Maria has no trouble twisting Meireles around her finger, but police detectives Madeira and Neves get wind of the plan and set out to expose the plot...