In the Duchy of Oc, the most precious of creatures are the winged horses blessed by the goddess Kalla. When one is born, it is immediately taken to the Academy of the Air to be trained and watched over. But when a spirited peasant girl bonds with a winged horse of her own, the Academy gets more than it bargained for....

Driven by insane jealousy, Duke William is determined to found his own flying school, where the valuable flying horses of Oc will learn to bond with well-born young men—instead of arrogant women. Now, Larkyn Hamley and her beloved Black Seraph must gather all of their allies from the air to the ground. For if they do not soar now, none will ever see the skies again....