In the far future, unbeknownst to humankind, an apocalyptic war is brewing. Fearsome, vengeful Demons rage at the boundaries of the world, held at bay by a spell called the Forbidding. But now that barrier is dying. Evil is beginning to break through. And only the Chosen can banish the Demons back to their realm.

Fans of the Shannara epic will revel as the forces of good battle an evil book, the Ildatch, which sends the Mord Wraiths to destroy mankind. To overcome this dark force, the Druid Allanon needs Brin Ohmsford, for she holds the power of the wishsong, a magic invoked by singing that can make plants bloom instantly or turn trees from green to autumn gold.

Since the death of the Druid Allanon, the Four Lands have changed profoundly, with magic strictly forbidden in the Southland, now under totalitarian rule. Yet Par still has some power of the Wishsong. A message from Allanon arrives: venture to the dread Hadeshorn, along with the other Scions of Shannara. For in the future, all life in the Four Lands will be destroyed. To prevent this terrible fate, Allanon commands Par to recover the long-lost Sword of Shannara, a task that is next to impossible.  

"Find the Elves and return them to the world of Men!" the shade of the Druid Allanon had ordered Wren. It was clearly an impossible task. The Elves had been gone from the Westland for more than a hundred years. There was not even a trace of their former city of Arborlon left to mark their passing. No one in the Esterland knew of them - except, finally, the Addershag.

In this prequel to The Sword of Shannara, in which many details of the Four Lands' history are revealed, Druids, horrified by the misuse of magic, have eschewed it in favor of science. But Bremen the Druid studies magic, and becomes an outcast on its account. Bremen discovers that an invincible army of trolls are fast conquering all that lay to their south. Before them come the Nazgul-like Skull Bearers, disfigured and transformed Druids who have fallen prey to the dark arts.