Halfway through wizards' school, Antonia is hoping for a quiet semester, but it is not to be. Finding herself somewhere between men's and women's magic, between girlhood and womanhood, the last thing she needs is fulfilling a prophecy out of legend. And then dark plots against the wizards' school itself are revealed, to say nothing of the sapphire ring, a potent artifact from the Land of Wild Magic. It was long lost but has now reappeared, conveying a dangerous power to any who wear it.