The girls are now in their third year at Cackle's Academy. Miss Bat has left and Miss Crotchet is the new Chanting teacher. Mildred and her friends are singing and dancing in one of the classrooms. Miss Drill walks in and doesn't stop them, but then Miss Hardbroom shows up and tells everybody off. Miss Drill is fed up of Miss Hardbroom treating her like one of the pupils and threatens to resign, and go work at the adventure center with her boyfriend. Meanwhile, Miss Cackle force