Thekla Von Stift is the most evil, dishonest, ill-tempered pupil the staff of the Chalet School has ever had the misfortune to teach. She has no respect for anybody and is determined to cause trouble wherever she goes, as long as someone else can take the blame. The head girl, Joey Bettany, has put a stop to one too many of her plans as far as Thekla is concerned and she is determined to teach that young lady a lesson. She decides to bully young Joyce Linton into helping her plot the downfall of the popular head girl, knowing full well that Joyce likes and admires Joey and if she is in trouble one more time she will surely be expelled. Matters come to a head when Thekla sneaks into Joyce Lintons dormitory one night, the results of which cause Mrs Linton, who is already dangerously ill in the nearby sanatorium, to lose consciousness completely and only prompt action from Joey Bettany can save her.... The term is also packed full with the latest exploits of the naughty middles and the end of term sale, and you can be sure of a happy ending.
A rebel at the chalet school has to be one of the best.Thekla Von Stift causes much more trouble for the staff at the chalet school, and when she grabs Joyce in the middle of the night and makes her scared, is it the final straw for Mademoiselle Leppattre? Will Thekla be the first girl to be expelled? Will Mrs Linton die or can Joey save her?