A young inventor is kidnapped to force him to tell the secret of his invention, but he foils his captors thanks to a pen with invisible ink.
Renée Carl
René Navarre
Paul Manson
Jean Devalde
Fernand Herrmann
Score: 7.2
Score: 0.0
Score: 0.0
Score: 5.0
Score: 8.5
Score: 0.0
Score: 4.0
Score: 0.0
