Sequel to 'The Swan Princess'. Prince Derek sets out to rescue his mother, Queen Uberta, from the clutches of the evil Clavius. Clavius wants to get his hands on Derek's magical Orb, but Princess Odette and her friends beat him to it. They hide the Orb, and, when Clavius takes them prisoner, use its magical powers to transform Odette into a swan so that she can escape. However, if the Orb is damaged Odette will never be able to change back into her human form.