From the moment Frances Armitage saw the American film star, she knew she was in for trouble. Ten-year-old Twinkle was a box office attraction and Frances was her new chaperone whilst filming in England. Suspicious and insecure, Twinkle made enemies the way other children make mud pies. Frances believes she must try and protect Twinkle after a series of attempts on the girl's life. But Twinkle is probably capable enough to look after herself!