When sixteen-year-old Ava follows some strange looking boys into a magical burrow, she discovers a hidden world of dragons, elves, witches, and other mythical creatures.
Against all odds, Ava melds with a dragon to become a featherlite. But there is a dark force trying to stop her. With the use of dark magic, Blackthorn, Princess Arryn's malicious half-brother, wages war on Brackenhill to take the Dragon Kingdom throne. Can Ava stop him before it's too late?