Three mad guys get an old car and a great confusion begins.
Antônio Nunes is sentenced to 30 years in jail, after having killed a woman, and becomes known as ripper of women. Infatuated Tânia begins to visit him frequently and hires a lawyer to try to take him out.
After a heavy rain storm, several vehicles get stuck on a muddy road. Soon hunger and fatigue change people's manners, making them behave in a very noncivilized way.