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When Meg's grandmother Cordelia hosts a Renaissance Faire at her craft center, the whole family is put to work: Meg handles the blacksmithing, Michael and the boys will be performing, and no one misses the opportunity to dress up in full regalia.
More exciting to Grandfather is the pair of rare falcons he discovers breeding at the fairgrounds. Concerned for their well-being amid all the activity, he appoints himself their protector.
When one of the actors performing at the fair is found dead—an actor suspected of mistreating one of the falcons, among other sins—Grandfather is a prime suspect.