Calvin fled with Darrow from Antaris to defeat the ambitious sorcerer Samis. But now she returns to the mountains, hoping to regain her lost singing magic. But Samis's magic has left terrible scars on Antaris, so Calvin faces conflict rather than the peace he so desired. Darrow, meanwhile, suffers from an illness that takes away his magic and powers, and Samis has returned to once again try to become the Singer all songs. All of Tremaris is dying. How can Calvin save the earth, save everyone?