Sara has a unusual look of maturity about her, for a seven-year-old child. She has seen a great deal of the world. She has felt the blazing sun in Bombay, India, and has crossed the ocean -- and now is somewhere that seems utterly strange to her . . . a foggy and damp city named London. Her new place in life seems to offer few attractions: Miss Minchin's Select Seminary. Yet Sara takes her place in the seminary's classrooms, and soon finds herself building unconventional friendships -- with girls whom the other students seem not to notice at all. Then comes news from her father -- that he will become partner in diamond mines in India