Sitko Ghost Horse, also known as Seymour Miller or Sy Miller, is the main character of the final novel in Highwater's "Ghost Horse Cycle."

Through a series of dreams, nightmares, and conversations, the reader learns that Sitko was a Native American artist living with a writer named Erik. Discovered by the art world, Sitko became famous for his paintings, thus fulfilling the prophecy made in The Ceremony of Innocence (1985) by the Chief at the Beaver Ceremony. However, when he attempted to paint in a way other than what was expected of a Native American, the rumors of his non-Indian background began. Then "fanatics," claiming the paintings glorified "perversion," threatened to burn the gallery where the art was on display. As Sitko tried to defend his name, his fame vanished. At the same time, a "sickness" descended on the city. Although many of his friends died, Sitko was hardest...