Based on an award-winning children's book about a heroic little mouse named Despereaux who sets off on an epic adventure to save his kingdom. After an accident involving soup, a rat, and the death by shock of the queen, the king banned both rats and soup from his Kingdom. His daughter the princess went into mourning. Meanwhile, a mouse with unusually large ears came into the world, and became fascinated with romantic history. After being banished down to join the rats, and being rescued from death-by-cat by a friendly rat, the two rodents set about righting the problems in the kingdom, and restoring the princess's good humour.