Anna awakens on a mysterious tiny island after escaping the destruction of her underwater kingdom and must find a way up to the floating Temple of the Clouds. With the help of her mystic animal guides she must find and save the Children of Light from the evil Empress Pandora.

Sissi is slowly adapting to life as empress of Austria but finds it hard to live with her mother-in-law. The arch-duchess Sophie is a genuine busybody who constantly interferes with how the emperor rules the empire and how Sissi brings up her first-born daughter.