Greetings, brave Kate,...as Queen of the Fairies, I have long wanted to avenge the treachery done to the good knight. But first I needed to know if his daughter was worthy of her inheritance. So I disguised myself as both the beggar and the old woman and sent you on your quest to your father's castle.
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Wikipedia in English
In this version of the classic tale, a girl climbs to the top of a giant beanstalk, where she uses her quick wits to outsmart a giant and make her and her mother's fortune.