For young and pretty Fleurette the revolution seems far away until an aristocratic neighbouring family is threatened. Now, the dangers are all too real, and she is accused of being a traitor. Fleurette's father is ironically Armand Chauvelin, the infamous prosecutor and a man who sent many people on the guillotine. For the first time the villainous agent is forced to ask his arch-enemy, the heroic Scarlet Pimpernel, for help.