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 English lord, who has been excavating in Egypt, finds a mummy of a beautiful Egyptian princess, more than 5,000 years old. So well has the Egyptian embalmer done his work that the face is perfect in all its beauty, and the susceptible young man falls deeply in love with this belle of old Egypt, takes the mummy home to his estate in England and there it occupies his whole mind, to the exclusion of all else. Even the proposed visit of a beautiful American girl does not arouse his interest.

Story set in the Middle Ages. A page and the daughter of a baron want to marry each other against the will of her father, who wants his daughter to marry another man. A sorceress predicts the future for the couple and provides the page with a bottle of poison for the other marriage candidate, which almost falls into the wrong hands.