Fantômas extorts powerful politicians and financiers as part of a plot to rob the Crédit International bank and get rid of Inspector Juve once and for all. When the great detective falls into the macabre snares of the Lord of Terror, the journalist Jerome Fandor in his desperation must seek the help of Lady Beltham, the wayward lover of Fantômas, to save his beloved friend in this, the thirty-fifth book of the series.