Carlo Monte, a seductive pizza maker in charge of a straw hut on the beaches of the south of France, is contacted by barbouzes who notice his perfect resemblance to President-General Gonzales Y Ramirez, president for life of Malaguenia. Supposed to replace the dictator on a private visit to France and to announce his abdication in favor of the insurgents, he had them arrested and established democracy. As for the deposed tyrant, he found himself in charge of Carlo's straw hut with somewhat militarized colors.
When the local police inspector was found dead in a prostitute's house, police division commissioner Stan Borowitz is sent to investigate the situation. Posing as the prostitute's long-lost brother "Antonio Cerruti," he discovers a mare's nest of police corruption. In fact, in this comedy thriller the whole town is corrupt. If they were closely examined, Stan's methods for pursuing this investigation might embarrass the police. For instance, he drives into a criminal's house in a fancy, expensive race car. In another incident, he callously blows up a casino owned by Musard , one of the town's crime bosses. On that occasion, he first forces Musard to remove his clothes, and the poor criminal watches his casino explode from across the square while standing naked in a phone booth. Meanwhile, Stan seduces the lovely Edmonde.
Richard killed his wife out of jealousy, but was acquitted. During the vacations, he meets a young girl and decides to start a new life with her. Knowing Richard's past, his father warns them of the risks involved, and once again blinded by jealousy, he tries to kill his wife. He is then shot dead by his father-in-law.