Once upon a time... in the far away kingdom of D OR... dwelt a brave and virtuous mouse having comically oversized ears that dreamed of becoming a knight. Banished from his home for having such exalted aspirations, Despereaux lays off on an awesome adventure with his good hearted rat friend Roscuro, that directs himat long last, on a very noble quest to rescue an endangered princess and also save an whole empire from darkness.