Paris is prey to an invisible terror against which the police can do nothing: a sinister organization that sows chaos and death. The intrepid journalist Philippe Guérande and his partner embark on a long crusade to put an end to the crimes of the Great Vampire and Irma Vep, his dangerous accomplice. (A ten episode movie serial.)

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.

Two small girls whose father is in prison are collected by their grandfather after losing their mother in a shipwreck.

Rudolph Strelitz, known as 'Barrabas', is the leader of a brutal underground gang causing chaos and destruction in the lives of civilized people. A lawyer, Claude Varèse, is strongly determined to bring Strelitz to justice for the purpose of revenge, after his father was unjustly guillotined for the murder of Laure d'Hérigny, the mistress of an American millionaire. Later, the sister of Claude Varèse, Françoise, is kidnapped by Dr Lucius, one of the henchmen of Barrabas. Serialised over 12 chapters.

Without a job and no money to spend, Blanche Mery (Gina Manès) has to accept a job offered by Gunter (Édouard Mathé), a strange millionaire wearing the black mask.

Mme de Calvières (Sylvia Lux) and her brother Roger (Édouard Mathé), due to an unpaid debt, fall into a difficult situation.

This silent French film begins with Georges feeling miserable, as he has ambitions of being a great musician but is forced to eke out a living giving lessons. So, he writes a friend to ask his advice. The friend tries to remake Georges and make him a bit of a playboy. However, when it comes to wooing a rich American, the advice is not exactly perfect.

A French silent film directed by Louis Feuillade.