Why does Bitzer the sheepdog suddenly have a mustache? What could turn Shaun the Sheep bright pink? A series of pranks punctuated by a paranoid truce pits Shaun and Bitzer against each other in an increasingly hilarious battle of wits. Of course, it's all fun and games until someone gets hurt -- namely Shaun, who has fallen to the bottom of a hole and hurt his leg. Or has he? What will Bitzer do when he finds out Shaun is faking? Who will get the last laugh in this side-splitting tale of revenge, retaliation, and squirting flowers? Shaun the Sheep fans will be thrilled with this uproarious new installment.