Zoe is a little girl who's mum and dad buy her a toy crown. As soon as she puts it on her head she knows she is a queen. And when her mum and dad take her to see a waterfall, she knows she's Queen of the Water. One night Zoe has a dream. She dreams that the Wicked Witch of the Sea is poisoning the oceans, and that the water people are asking for her help. When she wakes up she is determined to do just that. But how can she possibly go to the...