Lord Goth's mansion is in turmoil! The inhabitants of the house are preparing for the Full Moon Festival and a cooking competition. Famous guests arrive every minute - artists, singers, cooks - and, it would seem, everything is going according to plan. But that’s not the case! The butler Malzeglio is once again plotting something, and Ada will once again have to destroy his cunning plans. On top of everything else, the governess Marylebone was proposed for marriage, and everyone forgot about Ada’s birthday...