Irma is now a devoted collaborator of Venomous, who is set on getting rid of Philipe and Mazamette. He learns that Philipe is engaged to Jane Bremontier (Louise Lagrange), and the following day Irma and Lily Flower rent an apartment above hers. Irma's maid, a Vampire also, hears that Philipe and Jane's engagement party will be catered for by the famous Béchamel House. Venomous cancels their catering order, and on the day of the party the Vampires appear instead.