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.
A woman with psychic powers has a vision of a murder that took place in a house owned by her husband.
Bewildered, Don Camillo learns that Peppone intends to stand for parliament. Determined to thwart his ambitions, the good priest, ignoring the recommendations of the Lord, decides to campaign against him.