The Servants of Wrath have deified Carlton Lufteufel and re-christened him the Deus Irae. In the small community of Charlottesville, Utah, Tibor McMasters, born without arms or legs, has, through an array of prostheses, established a far-reaching reputation as an inspired painter. When the new church commissions a grand mural depicting the Deus Irae, it falls upon Tibor to make a treacherous journey to find the man, to find the god, and capture his terrible visage for posterity.

    On Earth, a small band of the few remaining humans pursues a lost past and devastating truth—as four sentient machines depart from Jovian space to investigate, perhaps terminate, the potentially catastrophic emissions emanating from a mountaintop miles above the terraformed surface of the Red Planet.