Ahiru studies ballet and dreams of one day becoming a "prima ballerina." Ahiru also has another desire - a certain young boy named Mytho. When a mysterious woman gives Ahiru a magical pendent, a whole new and fantastic world opens before her, a place where Ahiru becomes the ever-so-graceful Princess Tutu! Ahiru learns that Mytho is really a prince whose heart has been stolen, and her mission is to find the missing pieces. Princess Tutu is a beautiful fairy tale where Ahiru gets to live every girl's fantasy.