The indomitable Inspector Juve and his sidekick Fandor are rescued after crash landing an airplane in the English Channel, and from there proceed to London to continue their never-ending pursuit of Fantômas. But Fandor, in love with Helene, the daughter of Fantômas, becomes the target of the Lord of Terror's ire, who has sworn to prevent their marriage by any gruesome and appalling means necessary.
