When her gifted children are kidnapped Lilly Millbank, the new Mother Nature, turns her attention to who she can trust. A new member of staff is the unlikely catalyst in her decision to trust the King of the Autumn Elves, burying her misgivings about him and her mother's death; but time is running out and King Summer is scheming with King Winter. Between them they will force Mother Nature's hand, revealing a secret the Autumn elves have been keeping and a plot which will threaten the relations Lilly has worked so hard to maintain between the human world and her own.