The story begins with a scientist creating a device shaped like a man that can be remote-controlled by a machine. The mechanical man possess super-human speed and strength. The scientist is killed however by a gang of criminals, led by a woman named Mado, who wish to get the instructions for building the mechanical man. The criminals are captured before they are able to get them and are brought to trial and condemned. Mado manages to escape and kidnaps the scientist's niece whom she forces to give her the instructions which she uses to build a mechanical man.
André Deed
as Saltarello
Valentina Frascaroli
as The adventuress
Giulia Costa
as
Mathilde Lambert
as Elena D'Ara
Gabriel Moreau
as Professor D'Ara
Ferdinando Vivas-May
as Ramberti
