For three days battle has raged in the snow around the great city of Tar Valon. In the city, a foretelling of the future is uttered. On the slopes of Dragonmount, the immense mountain that looms over the city, a child is born, an infant prophesied to change the world. That child must be found before he can be killed by the forces of the Shadow.

Dalinar Kholin has challenged the evil god Odium to a contest of champions, and the Knights Radiant and the nations of Roshar have a mere 10 days to prepare for the worst. The fate of the entire world—and the Cosmere at large—hangs in the balance.

For a thousand years the ash fell and no flowers bloomed. For a thousand years the Skaa slaved in misery and lived in fear. For a thousand years the Lord Ruler, the "Sliver of Infinity," reigned with absolute power and ultimate terror, divinely invincible. Then, when hope was so long lost that not even its memory remained, a terribly scarred, heart-broken half-Skaa rediscovered it in the depths of the Lord Ruler's most hellish prison.

Roshar is a world of stone and storms. Uncanny tempests of incredible power sweep across the rocky terrain so frequently that they have shaped ecology and civilization alike. Animals hide in shells, trees pull in branches, and grass retracts into the soilless ground. Cities are built only where the topography offers shelter. It has been centuries since the fall of the 10 consecrated orders known as the Knights Radiant, but their Shardblades and Shardplate remain: mystical swords and suits of armor.

Karigan G’ladheon, running away from school, is traveling through a deep forest when a galloping horse pounds up to her, its rider impaled by two black-shafted arrows. With his dying breath, he tells her he is a Green Rider, one of the magical messengers of the King. Before he dies, he makes Karigan swear to deliver the message he’s carrying, and gives her his green coat, with the symbolic brooch of his office.