In order to save their kingdom from evil rodents, Sebastian (Drake Bell) and Samantha (Miranda Cosgrove) are sent on a quest by the King of Rodencia (Jon Lovitz) to obtain a legendary magical crystal, which has the power to defeat the rodents. With the help of two trustworthy knights, they must venture deep into the forest and enter the forbidden world of giants in order to accomplish their mission and restore order to the kingdom.
