Once upon a time there was a king and queen who desperately wanted a child. After years of fertility spells by fairies and genetic testing by warlocks, the couple were finally approached by a rat, claiming to be a magical witch, who gave the queen a bubbly drink in exchange for a promise that if the baby was a girl the queen must surrender her child to the rat, but if it was a boy the queen could keep it. The queen was desperate, so she did as the rat said. Nine months later the queen had a...