Inácio Pororoca is responsible for the local mail in an old west town. One day there comes bandit João Bigode, who kills the sheriff and puts Inácio on his place, just for fun. But Inácio takes his post seriously, and soon the bandits realize they've made a mistake.
Old and conservative industrialist goes to São Paulo to visit his children, who are locally in charge of his business. When he finds out they're having more fun than work, at first he is shocked, but gradually starts to join in.
Zenó (Mazzaropi) is a poor gardener of a traditional school in São Paulo who falls in love with one of the local girls, much richer and younger than him. Willing to conquer her, he decides to get rich, getting involved in the most varied and funny situations.
Jeca Tatu is a lazy, simple-minded guy who has his property threatened by the greed of a landowner.
