In Georgette Heyer's novel "Devil's Cub," a dramatic moment unfolds as Madame hands Léonie a crumpled note from Juliana, written in her distinctive handwriting. The message reveals Juliana's decision to run away with Vidal, emphasizing her urgency by stating she has "No Time to write more." This unexpected revelation leaves Léonie in shock, struggling to comprehend her niece's bold choice, which she initially believes to be impossible.

Léonie's reaction showcases her surprise and concern, as she stammers and turns pale upon reading the note. This moment highlights the theme of unexpected romantic escapades and the conflicts that arise within family dynamics. Juliana's hasty decision sets the stage for further developments in the story, emphasizing the tension between desire and familial duty.