Princess Anya needs to see a wizard about a frog. It's not her frog, it's her sister's. And it's not a frog, it's actually a prince. A prince who was once in love with Anya's sister, but has now been turned into a frog by their evil stepstepfather. And Anya has made a 'sister promise' that she will find a way to return Prince Denholm to human form...