The Lightning Hunters have reigned over the world of Astarania ever since the oceans mysteriously disappeared, replaced by a sea of clouds. Admired protectors, they watch over the skies and maintain the risky lightning trade. Alrick's world is turned upside down the day his father, a lightning hunter, fails to return home. Convinced that something bad has happened to him, the teenager embarks on a flying ship with his griffin Dracks and soon discovers other worrisome disappearances... Between storms, betrayals, and being captured, will he find out the truth about what happened to his father? Will Alrick unmask those who have dared to attack the Brotherhood of the Lightning Hunters?