The ambitious police officer Cruchot is transferred to St. Tropez. He's struggling with crimes such as persistent nude swimming, but even more with his teenage daughter, who's trying to impress her rich friends by telling them her father was a millionaire and owned a yacht in the harbor.
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.
In the second episode of the trilogy Fantômas kidnaps distinguished scientist professor Marchand with the aim to develop a super weapon that will enable him to menace the world. Fantômas is also planning to abduct a second scientist, professor Lefebvre.
