Princess Harriet Hamsterbone is bored. Since the local monsters have all retired, Harriet has had a lot of time on her paws. So when a fairy tells Harriet about twelve mice princesses who are cursed to dance all night long, she happily accepts the quest. Armed with a poncho of invisibility, her trusty battle quail, and some surprise help from her pal Prince Wilbur, Harriet sets off. But when she arrives at the Mouse Kingdom, she discovers there s more to the curse than meets the eye, and trying to help is dangerous business even for a kick-butt princess.