Elizabeth Allen, older and no longer having a spoiled personality, goes on to her second term at Whyteleafe School.

Elizabeth does not want to misbehave again, but someone tries to make sure that she does not forget her nickname of 'The Naughtiest Girl in the School'.

Elizabeth tries to hunt down the sneak who is playing tricks on her and her friend Joan, leading to many adventures.

She plays spiteful tricks on Elizabeth and Jenny and almost runs away due to the consequences.

Robert is the main antagonist of the book, he was a bully because he had been jealous of his younger brothers, who has been given more attention, and everyone forgot about him.