Peggy Bettany is amazed to return to the Chalet School and find that she has been appointed Head Girl! Though she is determined to do well, things do not always go smoothly for Peggy. In spite of the gaiety of preparing for the Christmas concert, Peggy finds rebellion amidst the younger girls.

What can be causing it? Peggy and her friends are horrified to learn that she has a real enemy in the school, someone who would be happy to see Peggy disgraced …”