A father in despair. An ancient destiny. A darkness that can change everything. Fear has kept ancient enemies apart for centuries, but the Archbishop has made a discovery which will overturn the balance of power. Falling between worlds, young Charlie Denham and his father Richard find themselves on opposite sides when war looms. The descendants of lost crusaders now face a decisive conflict with the Delf who wield demons of fire. As darkness pours from the earth and armies gather, Richard and Charlie will face the nightmare from a lost past which threatens to consume both worlds. They must find each other, and escape the approaching storm, if they are to have any hope of staying alive or returning home again.