During the Royal Ball, Cinderella and her mice fellows discover a secret that could shake their world: the real prince has turned into a mouse by the evil witch, and the "Prince" from the Royal Ball is in fact a fraud.

Há décadas, os lobos têm medo de entrar na Floresta da Sombra e em sua misteriosa caverna. Apesar de vários avisos, o filhote de lobo ômega Runt quer tomar a floresta para os lobos.