Quentin Coldwater is expelled from Fillory, the magical land of his childhood dreams. Now Quentin has nothing to lose, so he returns to where it all began - to the private college of magic Brackbills. However, even there he cannot hide from his past. Meanwhile, magical barriers collapse in Fillory and strangers from the north invade. To stop the looming threat, the High King and Queen of Fillory, Eliot and Janet, will have to embark on a dangerous search for a long-lost god. And Quentin will again have the opportunity to visit Antarctica, from there to get to the mysterious Nowhereland, meet old friends and risk restoring order in Fillory or dying in the attempt.