When a newly appointed judge shuts down a cheese factory for pollution violations, its owner, La Noce, bribes a monsignor to fix the problem. He discovers the judge has a liking for other men's wives. La Noce sends his assistant, Albertini, to hire a woman to pretend to be La Noce's wife. Albertini finds Cocò, a virginal-looking prostitute with a dirty mouth. The girl's train ride from Rome to Sicily is filled with mix-ups but they hope that once she's in Sicily, La Noce's plan to compromise the judge will succeed. All the characters come together to create a comedic storyline … La Noce, his real wife, the whore, her pimp, Albertini, the judge, his wife, and his jealous secretary.
