"I would come with you on this journey, if you wished it."
Sandra Tate is in her final weeks of cancer. On a warm spring day in Victoria, British Columbia, a strange yet kindly old man gives her and her parents tickets for a carriage ride. The towering black carriage horse, a mysterious Puca from Ireland that came to the New World on board HMS Pandora in 1846, befriends Sandra, and introduces her to a mysterious world of hidden creatures in the parks and forests of southern Vancouver Island.
In the epic conclusion to the Devil's Deal series, Freya has one final chance to discover the full potential of her own power, and to use it to restore balance in the universe - once and for all. After the destruction caused by Roisin, Ferya and Torix come to terms with their losses and mistakes... And prepare for a final battle that will change everything.