Despereaux Tilling is a small, sickly mouse with big ears who breaks all the Mouse Council rules by interacting with humans. Interacting with humans is potentially dangerous for mice that live in castles, so when Despereaux falls in love with Princess Pea, the Mouse Council sentences him to death by the rats that live in the castle’s dungeon. Despereaux is a brave and special mouse. Will his love of the princess conquer the obstacles he must face?