Fantômas is a man of many disguises. He uses maquillage as a weapon. He can impersonate anyone using an array of masks and can create endless confusion by constantly changing his appearance.
The bungling inspector Cruchot finds himself trying to save the residents of St. Tropez from some oil-drinking humanoid aliens. The only way to tell the aliens from the real people, besides their constant thirst for oil-products, is that they sound like empty garbage cans when you touch them. Chaos is ahead.
The Saint-Tropez police launch a major offensive against dangerous drivers. Marechal Cruchot (Louis de Funès) relishes the assignment, which he pursues with a manic zeal. Cruchot is after an offending driver, who turns out to be Josépha (Claude Gensac), the widow of a highly regarded police colonel. When they meet, Cruchot falls instantly in love....
