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.

A couple (Carati and Cricotti) have to rent a hotel room which is really a haunted house. Well haunted is overstating it. Just old Renzo as a horny ghost who wants to get it on with Carati. Sexual frolics abound, Carati takes baths and has sex and hubby fulfills his role as cuckold.

Emile is a good mechanic whose clientele is very loyal. A bit naive, he is bamboozled by a seller who manages to sell him the full trappings of the perfect fisherman. No sooner did he regret that he bought, frightened by his wife's reaction to such expenditure. But he plans to try it ...