Quick recap
During a revolution in the kingdom of Ramat, Prince Ali Yusuf hands precious jewels to his pilot friend Bob Rawlinson, who hides them in his niece's tennis racquet. She attends Meadowbank, an elite English girls' school. That term, games mistress Miss Springer is shot dead in the sports pavilion. Another teacher dies, and a pupil who is a princess is kidnapped. Schoolgirl Julia Upjohn finds the jewels and takes them to Poirot. He comes to the school and reveals the killer is secretary Ann Shapland, a professional spy after the jewels. Julia gets a reward, and the school survives.
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