The Wild Sheep Chase

From the introduction: The party’s attempt to grab a rare afternoon of downtime is interrupted by a frantic sheep equipped with a Scroll of Speak to Animals and a fierce determination to get their attention. With the aid of some magic, the creature reveals itself to be no mere beast, but a wizard who fell victim to an embittered apprentice and a stolen Wand of True Polymorph. User summary: An adventure for 4th - 5th level characters