In the world of Pern, Harpers with great musical ability are held in extreme regard. This is why the young, mischievous Piemur carries himself with so much pride, for he sings like an angel. But when his voice begins to change, Piemur loses all confidence and questions his role within Harper Hall.

Incapable of singing, Piemur is sent on various errands by Masterharper Robinton, including the task of learning the complicated beats of the messenger drums, Piemur has no clue of the grand adventures that await him, and he'll need to find the courage within himself to survive.